640931200

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 384

約数和(自身を含む): 2039869440

約数和(自身を除く): 1398938240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 32, 35, 40, 50, 52, 56, 62, 64, 65, 70, 71, 80, 91, 100, 104, 112, 124, 128, 130, 140, 142, 155, 160, 175, 182, 200, 208, 217, 224, 248, 260, 280, 284, 310, 320, 325, 350, 355, 364, 400, 403, 416, 434, 448, 455, 496, 497, 520, 560, 568, 620, 640, 650, 700, 710, 728, 775, 800, 806, 832, 868, 896, 910, 923, 992, 994, 1040, 1085, 1120, 1136, 1240, 1300, 1400, 1420, 1456, 1550, 1600, 1612, 1664, 1736, 1775, 1820, 1846, 1984, 1988, 2015, 2080, 2170, 2201, 2240, 2272, 2275, 2480, 2485, 2600, 2800, 2821, 2840, 2912, 3100, 3200, 3224, 3472, 3550, 3640, 3692, 3968, 3976, 4030, 4160, 4340, 4402, 4480, 4544, 4550, 4615, 4960, 4970, 5200, 5425, 5600, 5642, 5680, 5824, 6200, 6448, 6461, 6944, 7100, 7280, 7384, 7952, 8060, 8320, 8680, 8804, 9088, 9100, 9230, 9920, 9940, 10075, 10400, 10850, 11005, 11200, 11284, 11360, 11648, 12400, 12425, 12896, 12922, 13888, 14105, 14200, 14560, 14768, 15407, 15904, 16120, 17360, 17608, 18200, 18460, 19840, 19880, 20150, 20800, 21700, 22010, 22400, 22568, 22720, 23075, 24800, 24850, 25792, 25844, 27776, 28210, 28400, 28613, 29120, 29536, 30814, 31808, 32240, 32305, 34720, 35216, 36400, 36920, 39760, 40300, 41600, 43400, 44020, 45136, 45440, 46150, 49600, 49700, 51584, 51688, 55025, 56420, 56800, 57226, 58240, 59072, 61628, 63616, 64480, 64610, 69440, 70432, 70525, 72800, 73840, 77035, 79520, 80600, 86800, 88040, 90272, 92300, 99200, 99400, 103376, 110050, 112840, 113600, 114452, 118144, 123256, 128960, 129220, 138880, 140864, 141050, 143065, 145600, 147680, 154070, 159040, 161200, 161525, 173600, 176080, 180544, 184600, 198800, 200291, 206752, 220100, 225680, 227200, 228904, 246512, 257920, 258440, 281728, 282100, 286130, 291200, 295360, 308140, 318080, 322400, 323050, 347200, 352160, 361088, 369200, 385175, 397600, 400582, 413504, 440200, 451360, 457808, 493024, 516880, 564200, 572260, 590720, 616280, 644800, 646100, 694400, 704320, 715325, 738400, 770350, 795200, 801164, 827008, 880400, 902720, 915616, 986048, 1001455, 1033760, 1128400, 1144520, 1232560, 1289600, 1292200, 1408640, 1430650, 1476800, 1540700, 1590400, 1602328, 1760800, 1805440, 1831232, 1972096, 2002910, 2067520, 2256800, 2289040, 2465120, 2584400, 2861300, 2953600, 3081400, 3204656, 3521600, 3662464, 4005820, 4135040, 4513600, 4578080, 4930240, 5007275, 5168800, 5722600, 6162800, 6409312, 7043200, 8011640, 9027200, 9156160, 9860480, 10014550, 10337600, 11445200, 12325600, 12818624, 16023280, 18312320, 20029100, 20675200, 22890400, 24651200, 25637248, 32046560, 40058200, 45780800, 49302400, 64093120, 80116400, 91561600, 128186240, 160232800, 320465600, 640931200]

約数ペア:

[(1, 640931200), (2, 320465600), (4, 160232800), (5, 128186240), (7, 91561600), (8, 80116400), (10, 64093120), (13, 49302400), (14, 45780800), (16, 40058200), (20, 32046560), (25, 25637248), (26, 24651200), (28, 22890400), (31, 20675200), (32, 20029100), (35, 18312320), (40, 16023280), (50, 12818624), (52, 12325600), (56, 11445200), (62, 10337600), (64, 10014550), (65, 9860480), (70, 9156160), (71, 9027200), (80, 8011640), (91, 7043200), (100, 6409312), (104, 6162800), (112, 5722600), (124, 5168800), (128, 5007275), (130, 4930240), (140, 4578080), (142, 4513600), (155, 4135040), (160, 4005820), (175, 3662464), (182, 3521600), (200, 3204656), (208, 3081400), (217, 2953600), (224, 2861300), (248, 2584400), (260, 2465120), (280, 2289040), (284, 2256800), (310, 2067520), (320, 2002910), (325, 1972096), (350, 1831232), (355, 1805440), (364, 1760800), (400, 1602328), (403, 1590400), (416, 1540700), (434, 1476800), (448, 1430650), (455, 1408640), (496, 1292200), (497, 1289600), (520, 1232560), (560, 1144520), (568, 1128400), (620, 1033760), (640, 1001455), (650, 986048), (700, 915616), (710, 902720), (728, 880400), (775, 827008), (800, 801164), (806, 795200), (832, 770350), (868, 738400), (896, 715325), (910, 704320), (923, 694400), (992, 646100), (994, 644800), (1040, 616280), (1085, 590720), (1120, 572260), (1136, 564200), (1240, 516880), (1300, 493024), (1400, 457808), (1420, 451360), (1456, 440200), (1550, 413504), (1600, 400582), (1612, 397600), (1664, 385175), (1736, 369200), (1775, 361088), (1820, 352160), (1846, 347200), (1984, 323050), (1988, 322400), (2015, 318080), (2080, 308140), (2170, 295360), (2201, 291200), (2240, 286130), (2272, 282100), (2275, 281728), (2480, 258440), (2485, 257920), (2600, 246512), (2800, 228904), (2821, 227200), (2840, 225680), (2912, 220100), (3100, 206752), (3200, 200291), (3224, 198800), (3472, 184600), (3550, 180544), (3640, 176080), (3692, 173600), (3968, 161525), (3976, 161200), (4030, 159040), (4160, 154070), (4340, 147680), (4402, 145600), (4480, 143065), (4544, 141050), (4550, 140864), (4615, 138880), (4960, 129220), (4970, 128960), (5200, 123256), (5425, 118144), (5600, 114452), (5642, 113600), (5680, 112840), (5824, 110050), (6200, 103376), (6448, 99400), (6461, 99200), (6944, 92300), (7100, 90272), (7280, 88040), (7384, 86800), (7952, 80600), (8060, 79520), (8320, 77035), (8680, 73840), (8804, 72800), (9088, 70525), (9100, 70432), (9230, 69440), (9920, 64610), (9940, 64480), (10075, 63616), (10400, 61628), (10850, 59072), (11005, 58240), (11200, 57226), (11284, 56800), (11360, 56420), (11648, 55025), (12400, 51688), (12425, 51584), (12896, 49700), (12922, 49600), (13888, 46150), (14105, 45440), (14200, 45136), (14560, 44020), (14768, 43400), (15407, 41600), (15904, 40300), (16120, 39760), (17360, 36920), (17608, 36400), (18200, 35216), (18460, 34720), (19840, 32305), (19880, 32240), (20150, 31808), (20800, 30814), (21700, 29536), (22010, 29120), (22400, 28613), (22568, 28400), (22720, 28210), (23075, 27776), (24800, 25844), (24850, 25792)]