12985980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{631}}^1$

素因数の和:664

約数の個数: 96

約数和(自身を含む): 42470400

約数和(自身を除く): 29484420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 631, 686, 735, 980, 1029, 1262, 1372, 1470, 1715, 1893, 2058, 2524, 2940, 3155, 3430, 3786, 4116, 4417, 5145, 6310, 6860, 7572, 8834, 9465, 10290, 12620, 13251, 17668, 18930, 20580, 22085, 26502, 30919, 37860, 44170, 53004, 61838, 66255, 88340, 92757, 123676, 132510, 154595, 185514, 216433, 265020, 309190, 371028, 432866, 463785, 618380, 649299, 865732, 927570, 1082165, 1298598, 1855140, 2164330, 2597196, 3246495, 4328660, 6492990, 12985980]

約数ペア:

[(1, 12985980), (2, 6492990), (3, 4328660), (4, 3246495), (5, 2597196), (6, 2164330), (7, 1855140), (10, 1298598), (12, 1082165), (14, 927570), (15, 865732), (20, 649299), (21, 618380), (28, 463785), (30, 432866), (35, 371028), (42, 309190), (49, 265020), (60, 216433), (70, 185514), (84, 154595), (98, 132510), (105, 123676), (140, 92757), (147, 88340), (196, 66255), (210, 61838), (245, 53004), (294, 44170), (343, 37860), (420, 30919), (490, 26502), (588, 22085), (631, 20580), (686, 18930), (735, 17668), (980, 13251), (1029, 12620), (1262, 10290), (1372, 9465), (1470, 8834), (1715, 7572), (1893, 6860), (2058, 6310), (2524, 5145), (2940, 4417), (3155, 4116), (3430, 3786)]