123211560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 384652800

約数和(自身を除く): 261441240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 79, 82, 120, 123, 158, 164, 205, 237, 246, 316, 317, 328, 395, 410, 474, 492, 615, 632, 634, 790, 820, 948, 951, 984, 1185, 1230, 1268, 1580, 1585, 1640, 1896, 1902, 2370, 2460, 2536, 3160, 3170, 3239, 3804, 4740, 4755, 4920, 6340, 6478, 7608, 9480, 9510, 9717, 12680, 12956, 12997, 16195, 19020, 19434, 25043, 25912, 25994, 32390, 38040, 38868, 38991, 48585, 50086, 51988, 64780, 64985, 75129, 77736, 77982, 97170, 100172, 103976, 125215, 129560, 129970, 150258, 155964, 194340, 194955, 200344, 250430, 259940, 300516, 311928, 375645, 388680, 389910, 500860, 519880, 601032, 751290, 779820, 1001720, 1026763, 1502580, 1559640, 2053526, 3005160, 3080289, 4107052, 5133815, 6160578, 8214104, 10267630, 12321156, 15401445, 20535260, 24642312, 30802890, 41070520, 61605780, 123211560]

約数ペア:

[(1, 123211560), (2, 61605780), (3, 41070520), (4, 30802890), (5, 24642312), (6, 20535260), (8, 15401445), (10, 12321156), (12, 10267630), (15, 8214104), (20, 6160578), (24, 5133815), (30, 4107052), (40, 3080289), (41, 3005160), (60, 2053526), (79, 1559640), (82, 1502580), (120, 1026763), (123, 1001720), (158, 779820), (164, 751290), (205, 601032), (237, 519880), (246, 500860), (316, 389910), (317, 388680), (328, 375645), (395, 311928), (410, 300516), (474, 259940), (492, 250430), (615, 200344), (632, 194955), (634, 194340), (790, 155964), (820, 150258), (948, 129970), (951, 129560), (984, 125215), (1185, 103976), (1230, 100172), (1268, 97170), (1580, 77982), (1585, 77736), (1640, 75129), (1896, 64985), (1902, 64780), (2370, 51988), (2460, 50086), (2536, 48585), (3160, 38991), (3170, 38868), (3239, 38040), (3804, 32390), (4740, 25994), (4755, 25912), (4920, 25043), (6340, 19434), (6478, 19020), (7608, 16195), (9480, 12997), (9510, 12956), (9717, 12680)]