7842420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 25369344

約数和(自身を除く): 17526924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 103, 108, 135, 141, 162, 180, 188, 206, 235, 270, 282, 309, 324, 405, 412, 423, 470, 515, 540, 564, 618, 705, 810, 846, 927, 940, 1030, 1236, 1269, 1410, 1545, 1620, 1692, 1854, 2060, 2115, 2538, 2781, 2820, 3090, 3708, 3807, 4230, 4635, 4841, 5076, 5562, 6180, 6345, 7614, 8343, 8460, 9270, 9682, 11124, 12690, 13905, 14523, 15228, 16686, 18540, 19035, 19364, 24205, 25380, 27810, 29046, 33372, 38070, 41715, 43569, 48410, 55620, 58092, 72615, 76140, 83430, 87138, 96820, 130707, 145230, 166860, 174276, 217845, 261414, 290460, 392121, 435690, 522828, 653535, 784242, 871380, 1307070, 1568484, 1960605, 2614140, 3921210, 7842420]

約数ペア:

[(1, 7842420), (2, 3921210), (3, 2614140), (4, 1960605), (5, 1568484), (6, 1307070), (9, 871380), (10, 784242), (12, 653535), (15, 522828), (18, 435690), (20, 392121), (27, 290460), (30, 261414), (36, 217845), (45, 174276), (47, 166860), (54, 145230), (60, 130707), (81, 96820), (90, 87138), (94, 83430), (103, 76140), (108, 72615), (135, 58092), (141, 55620), (162, 48410), (180, 43569), (188, 41715), (206, 38070), (235, 33372), (270, 29046), (282, 27810), (309, 25380), (324, 24205), (405, 19364), (412, 19035), (423, 18540), (470, 16686), (515, 15228), (540, 14523), (564, 13905), (618, 12690), (705, 11124), (810, 9682), (846, 9270), (927, 8460), (940, 8343), (1030, 7614), (1236, 6345), (1269, 6180), (1410, 5562), (1545, 5076), (1620, 4841), (1692, 4635), (1854, 4230), (2060, 3807), (2115, 3708), (2538, 3090), (2781, 2820)]