121316280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 382579200

約数和(自身を除く): 261262920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 71, 87, 116, 120, 142, 145, 174, 213, 232, 284, 290, 348, 355, 426, 435, 491, 568, 580, 696, 710, 852, 870, 982, 1065, 1160, 1420, 1473, 1704, 1740, 1964, 2059, 2130, 2455, 2840, 2946, 3480, 3928, 4118, 4260, 4910, 5892, 6177, 7365, 8236, 8520, 9820, 10295, 11784, 12354, 14239, 14730, 16472, 19640, 20590, 24708, 28478, 29460, 30885, 34861, 41180, 42717, 49416, 56956, 58920, 61770, 69722, 71195, 82360, 85434, 104583, 113912, 123540, 139444, 142390, 170868, 174305, 209166, 213585, 247080, 278888, 284780, 341736, 348610, 418332, 427170, 522915, 569560, 697220, 836664, 854340, 1010969, 1045830, 1394440, 1708680, 2021938, 2091660, 3032907, 4043876, 4183320, 5054845, 6065814, 8087752, 10109690, 12131628, 15164535, 20219380, 24263256, 30329070, 40438760, 60658140, 121316280]

約数ペア:

[(1, 121316280), (2, 60658140), (3, 40438760), (4, 30329070), (5, 24263256), (6, 20219380), (8, 15164535), (10, 12131628), (12, 10109690), (15, 8087752), (20, 6065814), (24, 5054845), (29, 4183320), (30, 4043876), (40, 3032907), (58, 2091660), (60, 2021938), (71, 1708680), (87, 1394440), (116, 1045830), (120, 1010969), (142, 854340), (145, 836664), (174, 697220), (213, 569560), (232, 522915), (284, 427170), (290, 418332), (348, 348610), (355, 341736), (426, 284780), (435, 278888), (491, 247080), (568, 213585), (580, 209166), (696, 174305), (710, 170868), (852, 142390), (870, 139444), (982, 123540), (1065, 113912), (1160, 104583), (1420, 85434), (1473, 82360), (1704, 71195), (1740, 69722), (1964, 61770), (2059, 58920), (2130, 56956), (2455, 49416), (2840, 42717), (2946, 41180), (3480, 34861), (3928, 30885), (4118, 29460), (4260, 28478), (4910, 24708), (5892, 20590), (6177, 19640), (7365, 16472), (8236, 14730), (8520, 14239), (9820, 12354), (10295, 11784)]