64967940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3881}}^1$

素因数の和:3930

約数の個数: 96

約数和(自身を含む): 208696320

約数和(自身を除く): 143728380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 3881, 4185, 5580, 7762, 8370, 11643, 15524, 16740, 19405, 23286, 34929, 38810, 46572, 58215, 69858, 77620, 104787, 116430, 120311, 139716, 174645, 209574, 232860, 240622, 349290, 360933, 419148, 481244, 523935, 601555, 698580, 721866, 1047870, 1082799, 1203110, 1443732, 1804665, 2095740, 2165598, 2406220, 3248397, 3609330, 4331196, 5413995, 6496794, 7218660, 10827990, 12993588, 16241985, 21655980, 32483970, 64967940]

約数ペア:

[(1, 64967940), (2, 32483970), (3, 21655980), (4, 16241985), (5, 12993588), (6, 10827990), (9, 7218660), (10, 6496794), (12, 5413995), (15, 4331196), (18, 3609330), (20, 3248397), (27, 2406220), (30, 2165598), (31, 2095740), (36, 1804665), (45, 1443732), (54, 1203110), (60, 1082799), (62, 1047870), (90, 721866), (93, 698580), (108, 601555), (124, 523935), (135, 481244), (155, 419148), (180, 360933), (186, 349290), (270, 240622), (279, 232860), (310, 209574), (372, 174645), (465, 139716), (540, 120311), (558, 116430), (620, 104787), (837, 77620), (930, 69858), (1116, 58215), (1395, 46572), (1674, 38810), (1860, 34929), (2790, 23286), (3348, 19405), (3881, 16740), (4185, 15524), (5580, 11643), (7762, 8370)]