662207920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1571}}^1$

素因数の和:2074

約数の個数: 80

約数和(自身を含む): 1684177920

約数和(自身を除く): 1021970000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 479, 880, 958, 1571, 1916, 2395, 3142, 3832, 4790, 5269, 6284, 7664, 7855, 9580, 10538, 12568, 15710, 17281, 19160, 21076, 25136, 26345, 31420, 34562, 38320, 42152, 52690, 62840, 69124, 84304, 86405, 105380, 125680, 138248, 172810, 210760, 276496, 345620, 421520, 691240, 752509, 1382480, 1505018, 3010036, 3762545, 6020072, 7525090, 8277599, 12040144, 15050180, 16555198, 30100360, 33110396, 41387995, 60200720, 66220792, 82775990, 132441584, 165551980, 331103960, 662207920]

約数ペア:

[(1, 662207920), (2, 331103960), (4, 165551980), (5, 132441584), (8, 82775990), (10, 66220792), (11, 60200720), (16, 41387995), (20, 33110396), (22, 30100360), (40, 16555198), (44, 15050180), (55, 12040144), (80, 8277599), (88, 7525090), (110, 6020072), (176, 3762545), (220, 3010036), (440, 1505018), (479, 1382480), (880, 752509), (958, 691240), (1571, 421520), (1916, 345620), (2395, 276496), (3142, 210760), (3832, 172810), (4790, 138248), (5269, 125680), (6284, 105380), (7664, 86405), (7855, 84304), (9580, 69124), (10538, 62840), (12568, 52690), (15710, 42152), (17281, 38320), (19160, 34562), (21076, 31420), (25136, 26345)]