31817940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 113799168

約数和(自身を除く): 81981228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 71, 77, 84, 97, 105, 110, 132, 140, 142, 154, 165, 194, 210, 213, 220, 231, 284, 291, 308, 330, 355, 385, 388, 420, 426, 462, 485, 497, 582, 660, 679, 710, 770, 781, 852, 924, 970, 994, 1065, 1067, 1155, 1164, 1358, 1420, 1455, 1491, 1540, 1562, 1940, 1988, 2037, 2130, 2134, 2310, 2343, 2485, 2716, 2910, 2982, 3124, 3201, 3395, 3905, 4074, 4260, 4268, 4620, 4686, 4970, 5335, 5467, 5820, 5964, 6402, 6790, 6887, 7455, 7469, 7810, 8148, 9372, 9940, 10185, 10670, 10934, 11715, 12804, 13580, 13774, 14910, 14938, 15620, 16005, 16401, 20370, 20661, 21340, 21868, 22407, 23430, 27335, 27548, 29820, 29876, 32010, 32802, 34435, 37345, 40740, 41322, 44814, 46860, 48209, 54670, 64020, 65604, 68870, 74690, 75757, 82005, 82644, 89628, 96418, 103305, 109340, 112035, 137740, 144627, 149380, 151514, 164010, 192836, 206610, 224070, 227271, 241045, 289254, 303028, 328020, 378785, 413220, 448140, 454542, 482090, 530299, 578508, 723135, 757570, 909084, 964180, 1060598, 1136355, 1446270, 1515140, 1590897, 2121196, 2272710, 2651495, 2892540, 3181794, 4545420, 5302990, 6363588, 7954485, 10605980, 15908970, 31817940]

約数ペア:

[(1, 31817940), (2, 15908970), (3, 10605980), (4, 7954485), (5, 6363588), (6, 5302990), (7, 4545420), (10, 3181794), (11, 2892540), (12, 2651495), (14, 2272710), (15, 2121196), (20, 1590897), (21, 1515140), (22, 1446270), (28, 1136355), (30, 1060598), (33, 964180), (35, 909084), (42, 757570), (44, 723135), (55, 578508), (60, 530299), (66, 482090), (70, 454542), (71, 448140), (77, 413220), (84, 378785), (97, 328020), (105, 303028), (110, 289254), (132, 241045), (140, 227271), (142, 224070), (154, 206610), (165, 192836), (194, 164010), (210, 151514), (213, 149380), (220, 144627), (231, 137740), (284, 112035), (291, 109340), (308, 103305), (330, 96418), (355, 89628), (385, 82644), (388, 82005), (420, 75757), (426, 74690), (462, 68870), (485, 65604), (497, 64020), (582, 54670), (660, 48209), (679, 46860), (710, 44814), (770, 41322), (781, 40740), (852, 37345), (924, 34435), (970, 32802), (994, 32010), (1065, 29876), (1067, 29820), (1155, 27548), (1164, 27335), (1358, 23430), (1420, 22407), (1455, 21868), (1491, 21340), (1540, 20661), (1562, 20370), (1940, 16401), (1988, 16005), (2037, 15620), (2130, 14938), (2134, 14910), (2310, 13774), (2343, 13580), (2485, 12804), (2716, 11715), (2910, 10934), (2982, 10670), (3124, 10185), (3201, 9940), (3395, 9372), (3905, 8148), (4074, 7810), (4260, 7469), (4268, 7455), (4620, 6887), (4686, 6790), (4970, 6402), (5335, 5964), (5467, 5820)]