18141900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 61496064

約数和(自身を除く): 43354164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 53, 60, 70, 75, 84, 100, 105, 106, 140, 150, 159, 163, 175, 210, 212, 265, 300, 318, 326, 350, 371, 420, 489, 525, 530, 636, 652, 700, 742, 795, 815, 978, 1050, 1060, 1113, 1141, 1325, 1484, 1590, 1630, 1855, 1956, 2100, 2226, 2282, 2445, 2650, 3180, 3260, 3423, 3710, 3975, 4075, 4452, 4564, 4890, 5300, 5565, 5705, 6846, 7420, 7950, 8150, 8639, 9275, 9780, 11130, 11410, 12225, 13692, 15900, 16300, 17115, 17278, 18550, 22260, 22820, 24450, 25917, 27825, 28525, 34230, 34556, 37100, 43195, 48900, 51834, 55650, 57050, 60473, 68460, 85575, 86390, 103668, 111300, 114100, 120946, 129585, 171150, 172780, 181419, 215975, 241892, 259170, 302365, 342300, 362838, 431950, 518340, 604730, 647925, 725676, 863900, 907095, 1209460, 1295850, 1511825, 1814190, 2591700, 3023650, 3628380, 4535475, 6047300, 9070950, 18141900]

約数ペア:

[(1, 18141900), (2, 9070950), (3, 6047300), (4, 4535475), (5, 3628380), (6, 3023650), (7, 2591700), (10, 1814190), (12, 1511825), (14, 1295850), (15, 1209460), (20, 907095), (21, 863900), (25, 725676), (28, 647925), (30, 604730), (35, 518340), (42, 431950), (50, 362838), (53, 342300), (60, 302365), (70, 259170), (75, 241892), (84, 215975), (100, 181419), (105, 172780), (106, 171150), (140, 129585), (150, 120946), (159, 114100), (163, 111300), (175, 103668), (210, 86390), (212, 85575), (265, 68460), (300, 60473), (318, 57050), (326, 55650), (350, 51834), (371, 48900), (420, 43195), (489, 37100), (525, 34556), (530, 34230), (636, 28525), (652, 27825), (700, 25917), (742, 24450), (795, 22820), (815, 22260), (978, 18550), (1050, 17278), (1060, 17115), (1113, 16300), (1141, 15900), (1325, 13692), (1484, 12225), (1590, 11410), (1630, 11130), (1855, 9780), (1956, 9275), (2100, 8639), (2226, 8150), (2282, 7950), (2445, 7420), (2650, 6846), (3180, 5705), (3260, 5565), (3423, 5300), (3710, 4890), (3975, 4564), (4075, 4452)]