321280280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15241}}^1$

素因数の和:15300

約数の個数: 64

約数和(自身を含む): 790145280

約数和(自身を除く): 468865000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 15241, 21080, 30482, 60964, 76205, 121928, 152410, 259097, 304820, 472471, 518194, 609640, 944942, 1036388, 1295485, 1889884, 2072776, 2362355, 2590970, 3779768, 4724710, 5181940, 8032007, 9449420, 10363880, 16064014, 18898840, 32128028, 40160035, 64256056, 80320070, 160640140, 321280280]

約数ペア:

[(1, 321280280), (2, 160640140), (4, 80320070), (5, 64256056), (8, 40160035), (10, 32128028), (17, 18898840), (20, 16064014), (31, 10363880), (34, 9449420), (40, 8032007), (62, 5181940), (68, 4724710), (85, 3779768), (124, 2590970), (136, 2362355), (155, 2072776), (170, 1889884), (248, 1295485), (310, 1036388), (340, 944942), (527, 609640), (620, 518194), (680, 472471), (1054, 304820), (1240, 259097), (2108, 152410), (2635, 121928), (4216, 76205), (5270, 60964), (10540, 30482), (15241, 21080)]