181218660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1242

約数の個数: 144

約数和(自身を含む): 601909056

約数和(自身を除く): 420690396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 1060, 1113, 1163, 1470, 1484, 1590, 1855, 2226, 2326, 2597, 2940, 3180, 3489, 3710, 4452, 4652, 5194, 5565, 5815, 6978, 7420, 7791, 8141, 10388, 11130, 11630, 12985, 13956, 15582, 16282, 17445, 22260, 23260, 24423, 25970, 31164, 32564, 34890, 38955, 40705, 48846, 51940, 56987, 61639, 69780, 77910, 81410, 97692, 113974, 122115, 123278, 155820, 162820, 170961, 184917, 227948, 244230, 246556, 284935, 308195, 341922, 369834, 431473, 488460, 569870, 616390, 683844, 739668, 854805, 862946, 924585, 1139740, 1232780, 1294419, 1709610, 1725892, 1849170, 2157365, 2588838, 3020311, 3419220, 3698340, 4314730, 5177676, 6040622, 6472095, 8629460, 9060933, 12081244, 12944190, 15101555, 18121866, 25888380, 30203110, 36243732, 45304665, 60406220, 90609330, 181218660]

約数ペア:

[(1, 181218660), (2, 90609330), (3, 60406220), (4, 45304665), (5, 36243732), (6, 30203110), (7, 25888380), (10, 18121866), (12, 15101555), (14, 12944190), (15, 12081244), (20, 9060933), (21, 8629460), (28, 6472095), (30, 6040622), (35, 5177676), (42, 4314730), (49, 3698340), (53, 3419220), (60, 3020311), (70, 2588838), (84, 2157365), (98, 1849170), (105, 1725892), (106, 1709610), (140, 1294419), (147, 1232780), (159, 1139740), (196, 924585), (210, 862946), (212, 854805), (245, 739668), (265, 683844), (294, 616390), (318, 569870), (371, 488460), (420, 431473), (490, 369834), (530, 341922), (588, 308195), (636, 284935), (735, 246556), (742, 244230), (795, 227948), (980, 184917), (1060, 170961), (1113, 162820), (1163, 155820), (1470, 123278), (1484, 122115), (1590, 113974), (1855, 97692), (2226, 81410), (2326, 77910), (2597, 69780), (2940, 61639), (3180, 56987), (3489, 51940), (3710, 48846), (4452, 40705), (4652, 38955), (5194, 34890), (5565, 32564), (5815, 31164), (6978, 25970), (7420, 24423), (7791, 23260), (8141, 22260), (10388, 17445), (11130, 16282), (11630, 15582), (12985, 13956)]