72666990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 216691200

約数和(自身を除く): 144024210

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 43, 45, 54, 55, 66, 86, 90, 99, 110, 129, 135, 165, 198, 215, 258, 270, 297, 330, 387, 430, 473, 495, 569, 594, 645, 774, 946, 990, 1138, 1161, 1290, 1419, 1485, 1707, 1935, 2322, 2365, 2838, 2845, 2970, 3414, 3870, 4257, 4730, 5121, 5690, 5805, 6259, 7095, 8514, 8535, 10242, 11610, 12518, 12771, 14190, 15363, 17070, 18777, 21285, 24467, 25542, 25605, 30726, 31295, 37554, 42570, 48934, 51210, 56331, 62590, 63855, 73401, 76815, 93885, 112662, 122335, 127710, 146802, 153630, 168993, 187770, 220203, 244670, 269137, 281655, 337986, 367005, 440406, 538274, 563310, 660609, 734010, 807411, 844965, 1101015, 1321218, 1345685, 1614822, 1689930, 2202030, 2422233, 2691370, 3303045, 4037055, 4844466, 6606090, 7266699, 8074110, 12111165, 14533398, 24222330, 36333495, 72666990]

約数ペア:

[(1, 72666990), (2, 36333495), (3, 24222330), (5, 14533398), (6, 12111165), (9, 8074110), (10, 7266699), (11, 6606090), (15, 4844466), (18, 4037055), (22, 3303045), (27, 2691370), (30, 2422233), (33, 2202030), (43, 1689930), (45, 1614822), (54, 1345685), (55, 1321218), (66, 1101015), (86, 844965), (90, 807411), (99, 734010), (110, 660609), (129, 563310), (135, 538274), (165, 440406), (198, 367005), (215, 337986), (258, 281655), (270, 269137), (297, 244670), (330, 220203), (387, 187770), (430, 168993), (473, 153630), (495, 146802), (569, 127710), (594, 122335), (645, 112662), (774, 93885), (946, 76815), (990, 73401), (1138, 63855), (1161, 62590), (1290, 56331), (1419, 51210), (1485, 48934), (1707, 42570), (1935, 37554), (2322, 31295), (2365, 30726), (2838, 25605), (2845, 25542), (2970, 24467), (3414, 21285), (3870, 18777), (4257, 17070), (4730, 15363), (5121, 14190), (5690, 12771), (5805, 12518), (6259, 11610), (7095, 10242), (8514, 8535)]