1813140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1439}}^1$

素因数の和:1461

約数の個数: 72

約数和(自身を含む): 6289920

約数和(自身を除く): 4476780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1439, 2878, 4317, 5756, 7195, 8634, 10073, 12951, 14390, 17268, 20146, 21585, 25902, 28780, 30219, 40292, 43170, 50365, 51804, 60438, 64755, 86340, 90657, 100730, 120876, 129510, 151095, 181314, 201460, 259020, 302190, 362628, 453285, 604380, 906570, 1813140]

約数ペア:

[(1, 1813140), (2, 906570), (3, 604380), (4, 453285), (5, 362628), (6, 302190), (7, 259020), (9, 201460), (10, 181314), (12, 151095), (14, 129510), (15, 120876), (18, 100730), (20, 90657), (21, 86340), (28, 64755), (30, 60438), (35, 51804), (36, 50365), (42, 43170), (45, 40292), (60, 30219), (63, 28780), (70, 25902), (84, 21585), (90, 20146), (105, 17268), (126, 14390), (140, 12951), (180, 10073), (210, 8634), (252, 7195), (315, 5756), (420, 4317), (630, 2878), (1260, 1439)]