31216140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2843}}^1$

素因数の和:2919

約数の個数: 72

約数和(自身を含む): 96275088

約数和(自身を除く): 65058948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 2843, 3660, 5490, 5686, 8529, 10980, 11372, 14215, 17058, 25587, 28430, 34116, 42645, 51174, 56860, 85290, 102348, 127935, 170580, 173423, 255870, 346846, 511740, 520269, 693692, 867115, 1040538, 1560807, 1734230, 2081076, 2601345, 3121614, 3468460, 5202690, 6243228, 7804035, 10405380, 15608070, 31216140]

約数ペア:

[(1, 31216140), (2, 15608070), (3, 10405380), (4, 7804035), (5, 6243228), (6, 5202690), (9, 3468460), (10, 3121614), (12, 2601345), (15, 2081076), (18, 1734230), (20, 1560807), (30, 1040538), (36, 867115), (45, 693692), (60, 520269), (61, 511740), (90, 346846), (122, 255870), (180, 173423), (183, 170580), (244, 127935), (305, 102348), (366, 85290), (549, 56860), (610, 51174), (732, 42645), (915, 34116), (1098, 28430), (1220, 25587), (1830, 17058), (2196, 14215), (2745, 11372), (2843, 10980), (3660, 8529), (5490, 5686)]