8980140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 28082880

約数和(自身を除く): 19102740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 397, 435, 580, 754, 780, 794, 870, 1131, 1191, 1508, 1588, 1740, 1885, 1985, 2262, 2382, 3770, 3970, 4524, 4764, 5161, 5655, 5955, 7540, 7940, 10322, 11310, 11513, 11910, 15483, 20644, 22620, 23026, 23820, 25805, 30966, 34539, 46052, 51610, 57565, 61932, 69078, 77415, 103220, 115130, 138156, 149669, 154830, 172695, 230260, 299338, 309660, 345390, 449007, 598676, 690780, 748345, 898014, 1496690, 1796028, 2245035, 2993380, 4490070, 8980140]

約数ペア:

[(1, 8980140), (2, 4490070), (3, 2993380), (4, 2245035), (5, 1796028), (6, 1496690), (10, 898014), (12, 748345), (13, 690780), (15, 598676), (20, 449007), (26, 345390), (29, 309660), (30, 299338), (39, 230260), (52, 172695), (58, 154830), (60, 149669), (65, 138156), (78, 115130), (87, 103220), (116, 77415), (130, 69078), (145, 61932), (156, 57565), (174, 51610), (195, 46052), (260, 34539), (290, 30966), (348, 25805), (377, 23820), (390, 23026), (397, 22620), (435, 20644), (580, 15483), (754, 11910), (780, 11513), (794, 11310), (870, 10322), (1131, 7940), (1191, 7540), (1508, 5955), (1588, 5655), (1740, 5161), (1885, 4764), (1985, 4524), (2262, 3970), (2382, 3770)]