64945620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 207148032

約数和(自身を除く): 142202412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 103, 113, 124, 155, 180, 186, 206, 226, 279, 309, 310, 339, 372, 412, 452, 465, 515, 558, 565, 618, 620, 678, 927, 930, 1017, 1030, 1116, 1130, 1236, 1356, 1395, 1545, 1695, 1854, 1860, 2034, 2060, 2260, 2790, 3090, 3193, 3390, 3503, 3708, 4068, 4635, 5085, 5580, 6180, 6386, 6780, 7006, 9270, 9579, 10170, 10509, 11639, 12772, 14012, 15965, 17515, 18540, 19158, 20340, 21018, 23278, 28737, 31527, 31930, 34917, 35030, 38316, 42036, 46556, 47895, 52545, 57474, 58195, 63054, 63860, 69834, 70060, 95790, 104751, 105090, 114948, 116390, 126108, 139668, 143685, 157635, 174585, 191580, 209502, 210180, 232780, 287370, 315270, 349170, 360809, 419004, 523755, 574740, 630540, 698340, 721618, 1047510, 1082427, 1443236, 1804045, 2095020, 2164854, 3247281, 3608090, 4329708, 5412135, 6494562, 7216180, 10824270, 12989124, 16236405, 21648540, 32472810, 64945620]

約数ペア:

[(1, 64945620), (2, 32472810), (3, 21648540), (4, 16236405), (5, 12989124), (6, 10824270), (9, 7216180), (10, 6494562), (12, 5412135), (15, 4329708), (18, 3608090), (20, 3247281), (30, 2164854), (31, 2095020), (36, 1804045), (45, 1443236), (60, 1082427), (62, 1047510), (90, 721618), (93, 698340), (103, 630540), (113, 574740), (124, 523755), (155, 419004), (180, 360809), (186, 349170), (206, 315270), (226, 287370), (279, 232780), (309, 210180), (310, 209502), (339, 191580), (372, 174585), (412, 157635), (452, 143685), (465, 139668), (515, 126108), (558, 116390), (565, 114948), (618, 105090), (620, 104751), (678, 95790), (927, 70060), (930, 69834), (1017, 63860), (1030, 63054), (1116, 58195), (1130, 57474), (1236, 52545), (1356, 47895), (1395, 46556), (1545, 42036), (1695, 38316), (1854, 35030), (1860, 34917), (2034, 31930), (2060, 31527), (2260, 28737), (2790, 23278), (3090, 21018), (3193, 20340), (3390, 19158), (3503, 18540), (3708, 17515), (4068, 15965), (4635, 14012), (5085, 12772), (5580, 11639), (6180, 10509), (6386, 10170), (6780, 9579), (7006, 9270)]