25398660

素因数分解:

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

素因数の和:242

約数の個数: 144

約数和(自身を含む): 84805056

約数和(自身を除く): 59406396

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, 163, 196, 210, 212, 245, 265, 294, 318, 326, 371, 420, 489, 490, 530, 588, 636, 652, 735, 742, 795, 815, 978, 980, 1060, 1113, 1141, 1470, 1484, 1590, 1630, 1855, 1956, 2226, 2282, 2445, 2597, 2940, 3180, 3260, 3423, 3710, 4452, 4564, 4890, 5194, 5565, 5705, 6846, 7420, 7791, 7987, 8639, 9780, 10388, 11130, 11410, 12985, 13692, 15582, 15974, 17115, 17278, 22260, 22820, 23961, 25917, 25970, 31164, 31948, 34230, 34556, 38955, 39935, 43195, 47922, 51834, 51940, 60473, 68460, 77910, 79870, 86390, 95844, 103668, 119805, 120946, 129585, 155820, 159740, 172780, 181419, 239610, 241892, 259170, 302365, 362838, 423311, 479220, 518340, 604730, 725676, 846622, 907095, 1209460, 1269933, 1693244, 1814190, 2116555, 2539866, 3628380, 4233110, 5079732, 6349665, 8466220, 12699330, 25398660]

約数ペア:

[(1, 25398660), (2, 12699330), (3, 8466220), (4, 6349665), (5, 5079732), (6, 4233110), (7, 3628380), (10, 2539866), (12, 2116555), (14, 1814190), (15, 1693244), (20, 1269933), (21, 1209460), (28, 907095), (30, 846622), (35, 725676), (42, 604730), (49, 518340), (53, 479220), (60, 423311), (70, 362838), (84, 302365), (98, 259170), (105, 241892), (106, 239610), (140, 181419), (147, 172780), (159, 159740), (163, 155820), (196, 129585), (210, 120946), (212, 119805), (245, 103668), (265, 95844), (294, 86390), (318, 79870), (326, 77910), (371, 68460), (420, 60473), (489, 51940), (490, 51834), (530, 47922), (588, 43195), (636, 39935), (652, 38955), (735, 34556), (742, 34230), (795, 31948), (815, 31164), (978, 25970), (980, 25917), (1060, 23961), (1113, 22820), (1141, 22260), (1470, 17278), (1484, 17115), (1590, 15974), (1630, 15582), (1855, 13692), (1956, 12985), (2226, 11410), (2282, 11130), (2445, 10388), (2597, 9780), (2940, 8639), (3180, 7987), (3260, 7791), (3423, 7420), (3710, 6846), (4452, 5705), (4564, 5565), (4890, 5194)]