81056040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 264176640

約数和(自身を除く): 183120600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 223, 233, 260, 312, 390, 446, 466, 520, 669, 699, 780, 892, 932, 1115, 1165, 1338, 1398, 1560, 1784, 1864, 2230, 2330, 2676, 2796, 2899, 3029, 3345, 3495, 4460, 4660, 5352, 5592, 5798, 6058, 6690, 6990, 8697, 8920, 9087, 9320, 11596, 12116, 13380, 13980, 14495, 15145, 17394, 18174, 23192, 24232, 26760, 27960, 28990, 30290, 34788, 36348, 43485, 45435, 51959, 57980, 60580, 69576, 72696, 86970, 90870, 103918, 115960, 121160, 155877, 173940, 181740, 207836, 259795, 311754, 347880, 363480, 415672, 519590, 623508, 675467, 779385, 1039180, 1247016, 1350934, 1558770, 2026401, 2078360, 2701868, 3117540, 3377335, 4052802, 5403736, 6235080, 6754670, 8105604, 10132005, 13509340, 16211208, 20264010, 27018680, 40528020, 81056040]

約数ペア:

[(1, 81056040), (2, 40528020), (3, 27018680), (4, 20264010), (5, 16211208), (6, 13509340), (8, 10132005), (10, 8105604), (12, 6754670), (13, 6235080), (15, 5403736), (20, 4052802), (24, 3377335), (26, 3117540), (30, 2701868), (39, 2078360), (40, 2026401), (52, 1558770), (60, 1350934), (65, 1247016), (78, 1039180), (104, 779385), (120, 675467), (130, 623508), (156, 519590), (195, 415672), (223, 363480), (233, 347880), (260, 311754), (312, 259795), (390, 207836), (446, 181740), (466, 173940), (520, 155877), (669, 121160), (699, 115960), (780, 103918), (892, 90870), (932, 86970), (1115, 72696), (1165, 69576), (1338, 60580), (1398, 57980), (1560, 51959), (1784, 45435), (1864, 43485), (2230, 36348), (2330, 34788), (2676, 30290), (2796, 28990), (2899, 27960), (3029, 26760), (3345, 24232), (3495, 23192), (4460, 18174), (4660, 17394), (5352, 15145), (5592, 14495), (5798, 13980), (6058, 13380), (6690, 12116), (6990, 11596), (8697, 9320), (8920, 9087)]