1295948800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 264

約数和(自身を含む): 3508918272

約数和(自身を除く): 2212969472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 64, 71, 80, 92, 100, 115, 124, 128, 142, 155, 160, 184, 200, 230, 248, 256, 284, 310, 320, 355, 368, 400, 460, 496, 512, 568, 575, 620, 640, 710, 713, 736, 775, 800, 920, 992, 1024, 1136, 1150, 1240, 1280, 1420, 1426, 1472, 1550, 1600, 1633, 1775, 1840, 1984, 2201, 2272, 2300, 2480, 2560, 2840, 2852, 2944, 3100, 3200, 3266, 3550, 3565, 3680, 3968, 4402, 4544, 4600, 4960, 5120, 5680, 5704, 5888, 6200, 6400, 6532, 7100, 7130, 7360, 7936, 8165, 8804, 9088, 9200, 9920, 11005, 11360, 11408, 11776, 12400, 12800, 13064, 14200, 14260, 14720, 15872, 16330, 17608, 17825, 18176, 18400, 19840, 22010, 22720, 22816, 23552, 24800, 25600, 26128, 28400, 28520, 29440, 31744, 32660, 35216, 35650, 36352, 36800, 39680, 40825, 44020, 45440, 45632, 49600, 50623, 52256, 55025, 56800, 57040, 58880, 65320, 70432, 71300, 72704, 73600, 79360, 81650, 88040, 90880, 91264, 99200, 101246, 104512, 110050, 113600, 114080, 117760, 130640, 140864, 142600, 147200, 158720, 163300, 176080, 181760, 182528, 198400, 202492, 209024, 220100, 227200, 228160, 253115, 261280, 281728, 285200, 294400, 326600, 352160, 363520, 365056, 396800, 404984, 418048, 440200, 454400, 456320, 506230, 522560, 563456, 570400, 588800, 653200, 704320, 730112, 793600, 809968, 836096, 880400, 908800, 912640, 1012460, 1045120, 1126912, 1140800, 1265575, 1306400, 1408640, 1619936, 1672192, 1760800, 1817600, 1825280, 2024920, 2090240, 2253824, 2281600, 2531150, 2612800, 2817280, 3239872, 3521600, 3650560, 4049840, 4180480, 4563200, 5062300, 5225600, 5634560, 6479744, 7043200, 8099680, 8360960, 9126400, 10124600, 10451200, 11269120, 12959488, 14086400, 16199360, 18252800, 20249200, 20902400, 25918976, 28172800, 32398720, 40498400, 41804800, 51837952, 56345600, 64797440, 80996800, 129594880, 161993600, 259189760, 323987200, 647974400, 1295948800]

約数ペア:

[(1, 1295948800), (2, 647974400), (4, 323987200), (5, 259189760), (8, 161993600), (10, 129594880), (16, 80996800), (20, 64797440), (23, 56345600), (25, 51837952), (31, 41804800), (32, 40498400), (40, 32398720), (46, 28172800), (50, 25918976), (62, 20902400), (64, 20249200), (71, 18252800), (80, 16199360), (92, 14086400), (100, 12959488), (115, 11269120), (124, 10451200), (128, 10124600), (142, 9126400), (155, 8360960), (160, 8099680), (184, 7043200), (200, 6479744), (230, 5634560), (248, 5225600), (256, 5062300), (284, 4563200), (310, 4180480), (320, 4049840), (355, 3650560), (368, 3521600), (400, 3239872), (460, 2817280), (496, 2612800), (512, 2531150), (568, 2281600), (575, 2253824), (620, 2090240), (640, 2024920), (710, 1825280), (713, 1817600), (736, 1760800), (775, 1672192), (800, 1619936), (920, 1408640), (992, 1306400), (1024, 1265575), (1136, 1140800), (1150, 1126912), (1240, 1045120), (1280, 1012460), (1420, 912640), (1426, 908800), (1472, 880400), (1550, 836096), (1600, 809968), (1633, 793600), (1775, 730112), (1840, 704320), (1984, 653200), (2201, 588800), (2272, 570400), (2300, 563456), (2480, 522560), (2560, 506230), (2840, 456320), (2852, 454400), (2944, 440200), (3100, 418048), (3200, 404984), (3266, 396800), (3550, 365056), (3565, 363520), (3680, 352160), (3968, 326600), (4402, 294400), (4544, 285200), (4600, 281728), (4960, 261280), (5120, 253115), (5680, 228160), (5704, 227200), (5888, 220100), (6200, 209024), (6400, 202492), (6532, 198400), (7100, 182528), (7130, 181760), (7360, 176080), (7936, 163300), (8165, 158720), (8804, 147200), (9088, 142600), (9200, 140864), (9920, 130640), (11005, 117760), (11360, 114080), (11408, 113600), (11776, 110050), (12400, 104512), (12800, 101246), (13064, 99200), (14200, 91264), (14260, 90880), (14720, 88040), (15872, 81650), (16330, 79360), (17608, 73600), (17825, 72704), (18176, 71300), (18400, 70432), (19840, 65320), (22010, 58880), (22720, 57040), (22816, 56800), (23552, 55025), (24800, 52256), (25600, 50623), (26128, 49600), (28400, 45632), (28520, 45440), (29440, 44020), (31744, 40825), (32660, 39680), (35216, 36800), (35650, 36352)]