1640984820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1\times {\mathrm{1447}}^1$

素因数の和:1961

約数の個数: 96

約数和(自身を含む): 4720294656

約数和(自身を除く): 3079309836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 461, 492, 615, 820, 922, 1230, 1383, 1447, 1844, 2305, 2460, 2766, 2894, 4341, 4610, 5532, 5788, 6915, 7235, 8682, 9220, 13830, 14470, 17364, 18901, 21705, 27660, 28940, 37802, 43410, 56703, 59327, 75604, 86820, 94505, 113406, 118654, 177981, 189010, 226812, 237308, 283515, 296635, 355962, 378020, 567030, 593270, 667067, 711924, 889905, 1134060, 1186540, 1334134, 1779810, 2001201, 2668268, 3335335, 3559620, 4002402, 6670670, 8004804, 10006005, 13341340, 20012010, 27349747, 40024020, 54699494, 82049241, 109398988, 136748735, 164098482, 273497470, 328196964, 410246205, 546994940, 820492410, 1640984820]

約数ペア:

[(1, 1640984820), (2, 820492410), (3, 546994940), (4, 410246205), (5, 328196964), (6, 273497470), (10, 164098482), (12, 136748735), (15, 109398988), (20, 82049241), (30, 54699494), (41, 40024020), (60, 27349747), (82, 20012010), (123, 13341340), (164, 10006005), (205, 8004804), (246, 6670670), (410, 4002402), (461, 3559620), (492, 3335335), (615, 2668268), (820, 2001201), (922, 1779810), (1230, 1334134), (1383, 1186540), (1447, 1134060), (1844, 889905), (2305, 711924), (2460, 667067), (2766, 593270), (2894, 567030), (4341, 378020), (4610, 355962), (5532, 296635), (5788, 283515), (6915, 237308), (7235, 226812), (8682, 189010), (9220, 177981), (13830, 118654), (14470, 113406), (17364, 94505), (18901, 86820), (21705, 75604), (27660, 59327), (28940, 56703), (37802, 43410)]