80116400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 247984128

約数和(自身を除く): 167867728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 71, 80, 91, 100, 104, 112, 124, 130, 140, 142, 155, 175, 182, 200, 208, 217, 248, 260, 280, 284, 310, 325, 350, 355, 364, 400, 403, 434, 455, 496, 497, 520, 560, 568, 620, 650, 700, 710, 728, 775, 806, 868, 910, 923, 994, 1040, 1085, 1136, 1240, 1300, 1400, 1420, 1456, 1550, 1612, 1736, 1775, 1820, 1846, 1988, 2015, 2170, 2201, 2275, 2480, 2485, 2600, 2800, 2821, 2840, 3100, 3224, 3472, 3550, 3640, 3692, 3976, 4030, 4340, 4402, 4550, 4615, 4970, 5200, 5425, 5642, 5680, 6200, 6448, 6461, 7100, 7280, 7384, 7952, 8060, 8680, 8804, 9100, 9230, 9940, 10075, 10850, 11005, 11284, 12400, 12425, 12922, 14105, 14200, 14768, 15407, 16120, 17360, 17608, 18200, 18460, 19880, 20150, 21700, 22010, 22568, 23075, 24850, 25844, 28210, 28400, 28613, 30814, 32240, 32305, 35216, 36400, 36920, 39760, 40300, 43400, 44020, 45136, 46150, 49700, 51688, 55025, 56420, 57226, 61628, 64610, 70525, 73840, 77035, 80600, 86800, 88040, 92300, 99400, 103376, 110050, 112840, 114452, 123256, 129220, 141050, 143065, 154070, 161200, 161525, 176080, 184600, 198800, 200291, 220100, 225680, 228904, 246512, 258440, 282100, 286130, 308140, 323050, 369200, 385175, 400582, 440200, 457808, 516880, 564200, 572260, 616280, 646100, 715325, 770350, 801164, 880400, 1001455, 1128400, 1144520, 1232560, 1292200, 1430650, 1540700, 1602328, 2002910, 2289040, 2584400, 2861300, 3081400, 3204656, 4005820, 5007275, 5722600, 6162800, 8011640, 10014550, 11445200, 16023280, 20029100, 40058200, 80116400]

約数ペア:

[(1, 80116400), (2, 40058200), (4, 20029100), (5, 16023280), (7, 11445200), (8, 10014550), (10, 8011640), (13, 6162800), (14, 5722600), (16, 5007275), (20, 4005820), (25, 3204656), (26, 3081400), (28, 2861300), (31, 2584400), (35, 2289040), (40, 2002910), (50, 1602328), (52, 1540700), (56, 1430650), (62, 1292200), (65, 1232560), (70, 1144520), (71, 1128400), (80, 1001455), (91, 880400), (100, 801164), (104, 770350), (112, 715325), (124, 646100), (130, 616280), (140, 572260), (142, 564200), (155, 516880), (175, 457808), (182, 440200), (200, 400582), (208, 385175), (217, 369200), (248, 323050), (260, 308140), (280, 286130), (284, 282100), (310, 258440), (325, 246512), (350, 228904), (355, 225680), (364, 220100), (400, 200291), (403, 198800), (434, 184600), (455, 176080), (496, 161525), (497, 161200), (520, 154070), (560, 143065), (568, 141050), (620, 129220), (650, 123256), (700, 114452), (710, 112840), (728, 110050), (775, 103376), (806, 99400), (868, 92300), (910, 88040), (923, 86800), (994, 80600), (1040, 77035), (1085, 73840), (1136, 70525), (1240, 64610), (1300, 61628), (1400, 57226), (1420, 56420), (1456, 55025), (1550, 51688), (1612, 49700), (1736, 46150), (1775, 45136), (1820, 44020), (1846, 43400), (1988, 40300), (2015, 39760), (2170, 36920), (2201, 36400), (2275, 35216), (2480, 32305), (2485, 32240), (2600, 30814), (2800, 28613), (2821, 28400), (2840, 28210), (3100, 25844), (3224, 24850), (3472, 23075), (3550, 22568), (3640, 22010), (3692, 21700), (3976, 20150), (4030, 19880), (4340, 18460), (4402, 18200), (4550, 17608), (4615, 17360), (4970, 16120), (5200, 15407), (5425, 14768), (5642, 14200), (5680, 14105), (6200, 12922), (6448, 12425), (6461, 12400), (7100, 11284), (7280, 11005), (7384, 10850), (7952, 10075), (8060, 9940), (8680, 9230), (8804, 9100)]