138453720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 431101440

約数和(自身を除く): 292647720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 107, 120, 123, 164, 205, 214, 246, 263, 321, 328, 410, 428, 492, 526, 535, 615, 642, 789, 820, 856, 984, 1052, 1070, 1230, 1284, 1315, 1578, 1605, 1640, 2104, 2140, 2460, 2568, 2630, 3156, 3210, 3945, 4280, 4387, 4920, 5260, 6312, 6420, 7890, 8774, 10520, 10783, 12840, 13161, 15780, 17548, 21566, 21935, 26322, 28141, 31560, 32349, 35096, 43132, 43870, 52644, 53915, 56282, 64698, 65805, 84423, 86264, 87740, 105288, 107830, 112564, 129396, 131610, 140705, 161745, 168846, 175480, 215660, 225128, 258792, 263220, 281410, 323490, 337692, 422115, 431320, 526440, 562820, 646980, 675384, 844230, 1125640, 1153781, 1293960, 1688460, 2307562, 3376920, 3461343, 4615124, 5768905, 6922686, 9230248, 11537810, 13845372, 17306715, 23075620, 27690744, 34613430, 46151240, 69226860, 138453720]

約数ペア:

[(1, 138453720), (2, 69226860), (3, 46151240), (4, 34613430), (5, 27690744), (6, 23075620), (8, 17306715), (10, 13845372), (12, 11537810), (15, 9230248), (20, 6922686), (24, 5768905), (30, 4615124), (40, 3461343), (41, 3376920), (60, 2307562), (82, 1688460), (107, 1293960), (120, 1153781), (123, 1125640), (164, 844230), (205, 675384), (214, 646980), (246, 562820), (263, 526440), (321, 431320), (328, 422115), (410, 337692), (428, 323490), (492, 281410), (526, 263220), (535, 258792), (615, 225128), (642, 215660), (789, 175480), (820, 168846), (856, 161745), (984, 140705), (1052, 131610), (1070, 129396), (1230, 112564), (1284, 107830), (1315, 105288), (1578, 87740), (1605, 86264), (1640, 84423), (2104, 65805), (2140, 64698), (2460, 56282), (2568, 53915), (2630, 52644), (3156, 43870), (3210, 43132), (3945, 35096), (4280, 32349), (4387, 31560), (4920, 28141), (5260, 26322), (6312, 21935), (6420, 21566), (7890, 17548), (8774, 15780), (10520, 13161), (10783, 12840)]