81275610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{769}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 211115520

約数和(自身を除く): 129839910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 271, 390, 542, 769, 813, 1355, 1538, 1626, 2307, 2710, 3523, 3845, 4065, 4614, 7046, 7690, 8130, 9997, 10569, 11535, 17615, 19994, 21138, 23070, 29991, 35230, 49985, 52845, 59982, 99970, 105690, 149955, 208399, 299910, 416798, 625197, 1041995, 1250394, 2083990, 2709187, 3125985, 5418374, 6251970, 8127561, 13545935, 16255122, 27091870, 40637805, 81275610]

約数ペア:

[(1, 81275610), (2, 40637805), (3, 27091870), (5, 16255122), (6, 13545935), (10, 8127561), (13, 6251970), (15, 5418374), (26, 3125985), (30, 2709187), (39, 2083990), (65, 1250394), (78, 1041995), (130, 625197), (195, 416798), (271, 299910), (390, 208399), (542, 149955), (769, 105690), (813, 99970), (1355, 59982), (1538, 52845), (1626, 49985), (2307, 35230), (2710, 29991), (3523, 23070), (3845, 21138), (4065, 19994), (4614, 17615), (7046, 11535), (7690, 10569), (8130, 9997)]