61647820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 148740480

約数和(自身を除く): 87092660

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 61, 65, 92, 115, 122, 130, 169, 230, 244, 260, 299, 305, 338, 460, 598, 610, 676, 793, 845, 1196, 1220, 1403, 1495, 1586, 1690, 2197, 2806, 2990, 3172, 3380, 3887, 3965, 4394, 5612, 5980, 7015, 7774, 7930, 8788, 10309, 10985, 14030, 15548, 15860, 18239, 19435, 20618, 21970, 28060, 36478, 38870, 41236, 43940, 50531, 51545, 72956, 77740, 91195, 101062, 103090, 134017, 182390, 202124, 206180, 237107, 252655, 268034, 364780, 474214, 505310, 536068, 670085, 948428, 1010620, 1185535, 1340170, 2371070, 2680340, 3082391, 4742140, 6164782, 12329564, 15411955, 30823910, 61647820]

約数ペア:

[(1, 61647820), (2, 30823910), (4, 15411955), (5, 12329564), (10, 6164782), (13, 4742140), (20, 3082391), (23, 2680340), (26, 2371070), (46, 1340170), (52, 1185535), (61, 1010620), (65, 948428), (92, 670085), (115, 536068), (122, 505310), (130, 474214), (169, 364780), (230, 268034), (244, 252655), (260, 237107), (299, 206180), (305, 202124), (338, 182390), (460, 134017), (598, 103090), (610, 101062), (676, 91195), (793, 77740), (845, 72956), (1196, 51545), (1220, 50531), (1403, 43940), (1495, 41236), (1586, 38870), (1690, 36478), (2197, 28060), (2806, 21970), (2990, 20618), (3172, 19435), (3380, 18239), (3887, 15860), (3965, 15548), (4394, 14030), (5612, 10985), (5980, 10309), (7015, 8788), (7774, 7930)]