72578440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 195333120

約数和(自身を除く): 122754680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 248, 310, 313, 340, 341, 374, 440, 527, 620, 626, 680, 682, 748, 935, 1054, 1240, 1252, 1364, 1496, 1565, 1705, 1870, 2108, 2504, 2635, 2728, 3130, 3410, 3443, 3740, 4216, 5270, 5321, 5797, 6260, 6820, 6886, 7480, 9703, 10540, 10642, 11594, 12520, 13640, 13772, 17215, 19406, 21080, 21284, 23188, 26605, 27544, 28985, 34430, 38812, 42568, 46376, 48515, 53210, 57970, 58531, 68860, 77624, 97030, 106420, 106733, 115940, 117062, 137720, 164951, 194060, 212840, 213466, 231880, 234124, 292655, 329902, 388120, 426932, 468248, 533665, 585310, 659804, 824755, 853864, 1067330, 1170620, 1319608, 1649510, 1814461, 2134660, 2341240, 3299020, 3628922, 4269320, 6598040, 7257844, 9072305, 14515688, 18144610, 36289220, 72578440]

約数ペア:

[(1, 72578440), (2, 36289220), (4, 18144610), (5, 14515688), (8, 9072305), (10, 7257844), (11, 6598040), (17, 4269320), (20, 3628922), (22, 3299020), (31, 2341240), (34, 2134660), (40, 1814461), (44, 1649510), (55, 1319608), (62, 1170620), (68, 1067330), (85, 853864), (88, 824755), (110, 659804), (124, 585310), (136, 533665), (155, 468248), (170, 426932), (187, 388120), (220, 329902), (248, 292655), (310, 234124), (313, 231880), (340, 213466), (341, 212840), (374, 194060), (440, 164951), (527, 137720), (620, 117062), (626, 115940), (680, 106733), (682, 106420), (748, 97030), (935, 77624), (1054, 68860), (1240, 58531), (1252, 57970), (1364, 53210), (1496, 48515), (1565, 46376), (1705, 42568), (1870, 38812), (2108, 34430), (2504, 28985), (2635, 27544), (2728, 26605), (3130, 23188), (3410, 21284), (3443, 21080), (3740, 19406), (4216, 17215), (5270, 13772), (5321, 13640), (5797, 12520), (6260, 11594), (6820, 10642), (6886, 10540), (7480, 9703)]