215863020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2293}}^1$

素因数の和:2831

約数の個数: 72

約数和(自身を含む): 656322576

約数和(自身を除く): 440459556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 523, 1046, 1569, 2092, 2293, 2615, 3138, 4586, 4707, 5230, 6276, 6879, 7845, 9172, 9414, 10460, 11465, 13758, 15690, 18828, 20637, 22930, 23535, 27516, 31380, 34395, 41274, 45860, 47070, 68790, 82548, 94140, 103185, 137580, 206370, 412740, 1199239, 2398478, 3597717, 4796956, 5996195, 7195434, 10793151, 11992390, 14390868, 17988585, 21586302, 23984780, 35977170, 43172604, 53965755, 71954340, 107931510, 215863020]

約数ペア:

[(1, 215863020), (2, 107931510), (3, 71954340), (4, 53965755), (5, 43172604), (6, 35977170), (9, 23984780), (10, 21586302), (12, 17988585), (15, 14390868), (18, 11992390), (20, 10793151), (30, 7195434), (36, 5996195), (45, 4796956), (60, 3597717), (90, 2398478), (180, 1199239), (523, 412740), (1046, 206370), (1569, 137580), (2092, 103185), (2293, 94140), (2615, 82548), (3138, 68790), (4586, 47070), (4707, 45860), (5230, 41274), (6276, 34395), (6879, 31380), (7845, 27516), (9172, 23535), (9414, 22930), (10460, 20637), (11465, 18828), (13758, 15690)]