215318560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43411}}^1$

素因数の和:43457

約数の個数: 48

約数和(自身を含む): 525111552

約数和(自身を除く): 309792992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 43411, 86822, 173644, 217055, 347288, 434110, 694576, 868220, 1345741, 1389152, 1736440, 2691482, 3472880, 5382964, 6728705, 6945760, 10765928, 13457410, 21531856, 26914820, 43063712, 53829640, 107659280, 215318560]

約数ペア:

[(1, 215318560), (2, 107659280), (4, 53829640), (5, 43063712), (8, 26914820), (10, 21531856), (16, 13457410), (20, 10765928), (31, 6945760), (32, 6728705), (40, 5382964), (62, 3472880), (80, 2691482), (124, 1736440), (155, 1389152), (160, 1345741), (248, 868220), (310, 694576), (496, 434110), (620, 347288), (992, 217055), (1240, 173644), (2480, 86822), (4960, 43411)]