120400720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 323148960

約数和(自身を除く): 202748240

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, 304, 361, 379, 380, 418, 440, 722, 758, 760, 836, 880, 1045, 1444, 1516, 1520, 1672, 1805, 1895, 2090, 2888, 3032, 3344, 3610, 3790, 3971, 4169, 4180, 5776, 6064, 7201, 7220, 7580, 7942, 8338, 8360, 14402, 14440, 15160, 15884, 16676, 16720, 19855, 20845, 28804, 28880, 30320, 31768, 33352, 36005, 39710, 41690, 57608, 63536, 66704, 72010, 79211, 79420, 83380, 115216, 136819, 144020, 158422, 158840, 166760, 273638, 288040, 316844, 317680, 333520, 396055, 547276, 576080, 633688, 684095, 792110, 1094552, 1267376, 1368190, 1505009, 1584220, 2189104, 2736380, 3010018, 3168440, 5472760, 6020036, 6336880, 7525045, 10945520, 12040072, 15050090, 24080144, 30100180, 60200360, 120400720]

約数ペア:

[(1, 120400720), (2, 60200360), (4, 30100180), (5, 24080144), (8, 15050090), (10, 12040072), (11, 10945520), (16, 7525045), (19, 6336880), (20, 6020036), (22, 5472760), (38, 3168440), (40, 3010018), (44, 2736380), (55, 2189104), (76, 1584220), (80, 1505009), (88, 1368190), (95, 1267376), (110, 1094552), (152, 792110), (176, 684095), (190, 633688), (209, 576080), (220, 547276), (304, 396055), (361, 333520), (379, 317680), (380, 316844), (418, 288040), (440, 273638), (722, 166760), (758, 158840), (760, 158422), (836, 144020), (880, 136819), (1045, 115216), (1444, 83380), (1516, 79420), (1520, 79211), (1672, 72010), (1805, 66704), (1895, 63536), (2090, 57608), (2888, 41690), (3032, 39710), (3344, 36005), (3610, 33352), (3790, 31768), (3971, 30320), (4169, 28880), (4180, 28804), (5776, 20845), (6064, 19855), (7201, 16720), (7220, 16676), (7580, 15884), (7942, 15160), (8338, 14440), (8360, 14402)]