640272636

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{8563}}^1$

素因数の和:8671

約数の個数: 72

約数和(自身を含む): 1695809024

約数和(自身を除く): 1055536388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 67, 93, 124, 134, 186, 201, 268, 279, 372, 402, 558, 603, 804, 1116, 1206, 2077, 2412, 4154, 6231, 8308, 8563, 12462, 17126, 18693, 24924, 25689, 34252, 37386, 51378, 74772, 77067, 102756, 154134, 265453, 308268, 530906, 573721, 796359, 1061812, 1147442, 1592718, 1721163, 2294884, 2389077, 3185436, 3442326, 4778154, 5163489, 6884652, 9556308, 10326978, 17785351, 20653956, 35570702, 53356053, 71141404, 106712106, 160068159, 213424212, 320136318, 640272636]

約数ペア:

[(1, 640272636), (2, 320136318), (3, 213424212), (4, 160068159), (6, 106712106), (9, 71141404), (12, 53356053), (18, 35570702), (31, 20653956), (36, 17785351), (62, 10326978), (67, 9556308), (93, 6884652), (124, 5163489), (134, 4778154), (186, 3442326), (201, 3185436), (268, 2389077), (279, 2294884), (372, 1721163), (402, 1592718), (558, 1147442), (603, 1061812), (804, 796359), (1116, 573721), (1206, 530906), (2077, 308268), (2412, 265453), (4154, 154134), (6231, 102756), (8308, 77067), (8563, 74772), (12462, 51378), (17126, 37386), (18693, 34252), (24924, 25689)]