721072560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{967}}^1$

素因数の和:1235

約数の個数: 160

約数和(自身を含む): 2419845120

約数和(自身を除く): 1698772560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 239, 240, 260, 312, 390, 478, 520, 624, 717, 780, 956, 967, 1040, 1195, 1434, 1560, 1912, 1934, 2390, 2868, 2901, 3107, 3120, 3585, 3824, 3868, 4780, 4835, 5736, 5802, 6214, 7170, 7736, 9321, 9560, 9670, 11472, 11604, 12428, 12571, 14340, 14505, 15472, 15535, 18642, 19120, 19340, 23208, 24856, 25142, 28680, 29010, 31070, 37284, 37713, 38680, 46416, 46605, 49712, 50284, 57360, 58020, 62140, 62855, 74568, 75426, 77360, 93210, 100568, 116040, 124280, 125710, 149136, 150852, 186420, 188565, 201136, 231113, 232080, 248560, 251420, 301704, 372840, 377130, 462226, 502840, 603408, 693339, 745680, 754260, 924452, 1005680, 1155565, 1386678, 1508520, 1848904, 2311130, 2773356, 3004469, 3017040, 3466695, 3697808, 4622260, 5546712, 6008938, 6933390, 9013407, 9244520, 11093424, 12017876, 13866780, 15022345, 18026814, 18489040, 24035752, 27733560, 30044690, 36053628, 45067035, 48071504, 55467120, 60089380, 72107256, 90134070, 120178760, 144214512, 180268140, 240357520, 360536280, 721072560]

約数ペア:

[(1, 721072560), (2, 360536280), (3, 240357520), (4, 180268140), (5, 144214512), (6, 120178760), (8, 90134070), (10, 72107256), (12, 60089380), (13, 55467120), (15, 48071504), (16, 45067035), (20, 36053628), (24, 30044690), (26, 27733560), (30, 24035752), (39, 18489040), (40, 18026814), (48, 15022345), (52, 13866780), (60, 12017876), (65, 11093424), (78, 9244520), (80, 9013407), (104, 6933390), (120, 6008938), (130, 5546712), (156, 4622260), (195, 3697808), (208, 3466695), (239, 3017040), (240, 3004469), (260, 2773356), (312, 2311130), (390, 1848904), (478, 1508520), (520, 1386678), (624, 1155565), (717, 1005680), (780, 924452), (956, 754260), (967, 745680), (1040, 693339), (1195, 603408), (1434, 502840), (1560, 462226), (1912, 377130), (1934, 372840), (2390, 301704), (2868, 251420), (2901, 248560), (3107, 232080), (3120, 231113), (3585, 201136), (3824, 188565), (3868, 186420), (4780, 150852), (4835, 149136), (5736, 125710), (5802, 124280), (6214, 116040), (7170, 100568), (7736, 93210), (9321, 77360), (9560, 75426), (9670, 74568), (11472, 62855), (11604, 62140), (12428, 58020), (12571, 57360), (14340, 50284), (14505, 49712), (15472, 46605), (15535, 46416), (18642, 38680), (19120, 37713), (19340, 37284), (23208, 31070), (24856, 29010), (25142, 28680)]