90901860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{631}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 297398976

約数和(自身を除く): 206497116

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, 2401, 2524, 2940, 3155, 3430, 3786, 4116, 4417, 4802, 5145, 6310, 6860, 7203, 7572, 8834, 9465, 9604, 10290, 12005, 12620, 13251, 14406, 17668, 18930, 20580, 22085, 24010, 26502, 28812, 30919, 36015, 37860, 44170, 48020, 53004, 61838, 66255, 72030, 88340, 92757, 123676, 132510, 144060, 154595, 185514, 216433, 265020, 309190, 371028, 432866, 463785, 618380, 649299, 865732, 927570, 1082165, 1298598, 1515031, 1855140, 2164330, 2597196, 3030062, 3246495, 4328660, 4545093, 6060124, 6492990, 7575155, 9090186, 12985980, 15150310, 18180372, 22725465, 30300620, 45450930, 90901860]

約数ペア:

[(1, 90901860), (2, 45450930), (3, 30300620), (4, 22725465), (5, 18180372), (6, 15150310), (7, 12985980), (10, 9090186), (12, 7575155), (14, 6492990), (15, 6060124), (20, 4545093), (21, 4328660), (28, 3246495), (30, 3030062), (35, 2597196), (42, 2164330), (49, 1855140), (60, 1515031), (70, 1298598), (84, 1082165), (98, 927570), (105, 865732), (140, 649299), (147, 618380), (196, 463785), (210, 432866), (245, 371028), (294, 309190), (343, 265020), (420, 216433), (490, 185514), (588, 154595), (631, 144060), (686, 132510), (735, 123676), (980, 92757), (1029, 88340), (1262, 72030), (1372, 66255), (1470, 61838), (1715, 53004), (1893, 48020), (2058, 44170), (2401, 37860), (2524, 36015), (2940, 30919), (3155, 28812), (3430, 26502), (3786, 24010), (4116, 22085), (4417, 20580), (4802, 18930), (5145, 17668), (6310, 14406), (6860, 13251), (7203, 12620), (7572, 12005), (8834, 10290), (9465, 9604)]