1855380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 5570208

約数和(自身を除く): 3714828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 107, 170, 204, 214, 255, 289, 321, 340, 428, 510, 535, 578, 642, 867, 1020, 1070, 1156, 1284, 1445, 1605, 1734, 1819, 2140, 2890, 3210, 3468, 3638, 4335, 5457, 5780, 6420, 7276, 8670, 9095, 10914, 17340, 18190, 21828, 27285, 30923, 36380, 54570, 61846, 92769, 109140, 123692, 154615, 185538, 309230, 371076, 463845, 618460, 927690, 1855380]

約数ペア:

[(1, 1855380), (2, 927690), (3, 618460), (4, 463845), (5, 371076), (6, 309230), (10, 185538), (12, 154615), (15, 123692), (17, 109140), (20, 92769), (30, 61846), (34, 54570), (51, 36380), (60, 30923), (68, 27285), (85, 21828), (102, 18190), (107, 17340), (170, 10914), (204, 9095), (214, 8670), (255, 7276), (289, 6420), (321, 5780), (340, 5457), (428, 4335), (510, 3638), (535, 3468), (578, 3210), (642, 2890), (867, 2140), (1020, 1819), (1070, 1734), (1156, 1605), (1284, 1445)]