85455920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 229605840

約数和(自身を除く): 144149920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 269, 304, 361, 380, 418, 440, 538, 722, 760, 836, 880, 1045, 1076, 1345, 1444, 1520, 1672, 1805, 2090, 2152, 2690, 2888, 2959, 3344, 3610, 3971, 4180, 4304, 5111, 5380, 5776, 5918, 7220, 7942, 8360, 10222, 10760, 11836, 14440, 14795, 15884, 16720, 19855, 20444, 21520, 23672, 25555, 28880, 29590, 31768, 39710, 40888, 47344, 51110, 56221, 59180, 63536, 79420, 81776, 97109, 102220, 112442, 118360, 158840, 194218, 204440, 224884, 236720, 281105, 317680, 388436, 408880, 449768, 485545, 562210, 776872, 899536, 971090, 1068199, 1124420, 1553744, 1942180, 2136398, 2248840, 3884360, 4272796, 4497680, 5340995, 7768720, 8545592, 10681990, 17091184, 21363980, 42727960, 85455920]

約数ペア:

[(1, 85455920), (2, 42727960), (4, 21363980), (5, 17091184), (8, 10681990), (10, 8545592), (11, 7768720), (16, 5340995), (19, 4497680), (20, 4272796), (22, 3884360), (38, 2248840), (40, 2136398), (44, 1942180), (55, 1553744), (76, 1124420), (80, 1068199), (88, 971090), (95, 899536), (110, 776872), (152, 562210), (176, 485545), (190, 449768), (209, 408880), (220, 388436), (269, 317680), (304, 281105), (361, 236720), (380, 224884), (418, 204440), (440, 194218), (538, 158840), (722, 118360), (760, 112442), (836, 102220), (880, 97109), (1045, 81776), (1076, 79420), (1345, 63536), (1444, 59180), (1520, 56221), (1672, 51110), (1805, 47344), (2090, 40888), (2152, 39710), (2690, 31768), (2888, 29590), (2959, 28880), (3344, 25555), (3610, 23672), (3971, 21520), (4180, 20444), (4304, 19855), (5111, 16720), (5380, 15884), (5776, 14795), (5918, 14440), (7220, 11836), (7942, 10760), (8360, 10222)]