2515921720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{26731}}^1$

素因数の和:26936

約数の個数: 64

約数和(自身を含む): 6130182240

約数和(自身を除く): 3614260520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 520, 724, 905, 1448, 1810, 2353, 3620, 4706, 7240, 9412, 11765, 18824, 23530, 26731, 47060, 53462, 94120, 106924, 133655, 213848, 267310, 347503, 534620, 695006, 1069240, 1390012, 1737515, 2780024, 3475030, 4838311, 6950060, 9676622, 13900120, 19353244, 24191555, 38706488, 48383110, 62898043, 96766220, 125796086, 193532440, 251592172, 314490215, 503184344, 628980430, 1257960860, 2515921720]

約数ペア:

[(1, 2515921720), (2, 1257960860), (4, 628980430), (5, 503184344), (8, 314490215), (10, 251592172), (13, 193532440), (20, 125796086), (26, 96766220), (40, 62898043), (52, 48383110), (65, 38706488), (104, 24191555), (130, 19353244), (181, 13900120), (260, 9676622), (362, 6950060), (520, 4838311), (724, 3475030), (905, 2780024), (1448, 1737515), (1810, 1390012), (2353, 1069240), (3620, 695006), (4706, 534620), (7240, 347503), (9412, 267310), (11765, 213848), (18824, 133655), (23530, 106924), (26731, 94120), (47060, 53462)]