861728080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7393}}^1$

素因数の和:7484

約数の個数: 80

約数和(自身を含む): 2112436224

約数和(自身を除く): 1250708144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 752, 940, 1240, 1457, 1880, 2480, 2914, 3760, 5828, 7285, 7393, 11656, 14570, 14786, 23312, 29140, 29572, 36965, 58280, 59144, 73930, 116560, 118288, 147860, 229183, 295720, 347471, 458366, 591440, 694942, 916732, 1145915, 1389884, 1737355, 1833464, 2291830, 2779768, 3474710, 3666928, 4583660, 5559536, 6949420, 9167320, 10771601, 13898840, 18334640, 21543202, 27797680, 43086404, 53858005, 86172808, 107716010, 172345616, 215432020, 430864040, 861728080]

約数ペア:

[(1, 861728080), (2, 430864040), (4, 215432020), (5, 172345616), (8, 107716010), (10, 86172808), (16, 53858005), (20, 43086404), (31, 27797680), (40, 21543202), (47, 18334640), (62, 13898840), (80, 10771601), (94, 9167320), (124, 6949420), (155, 5559536), (188, 4583660), (235, 3666928), (248, 3474710), (310, 2779768), (376, 2291830), (470, 1833464), (496, 1737355), (620, 1389884), (752, 1145915), (940, 916732), (1240, 694942), (1457, 591440), (1880, 458366), (2480, 347471), (2914, 295720), (3760, 229183), (5828, 147860), (7285, 118288), (7393, 116560), (11656, 73930), (14570, 59144), (14786, 58280), (23312, 36965), (29140, 29572)]