643670080

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:684

約数の個数: 112

約数和(自身を含む): 1600200000

約数和(自身を除く): 956529920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 139, 145, 160, 232, 278, 290, 320, 464, 499, 556, 580, 695, 928, 998, 1112, 1160, 1390, 1856, 1996, 2224, 2320, 2495, 2780, 3992, 4031, 4448, 4640, 4990, 5560, 7984, 8062, 8896, 9280, 9980, 11120, 14471, 15968, 16124, 19960, 20155, 22240, 28942, 31936, 32248, 39920, 40310, 44480, 57884, 64496, 69361, 72355, 79840, 80620, 115768, 128992, 138722, 144710, 159680, 161240, 231536, 257984, 277444, 289420, 322480, 346805, 463072, 554888, 578840, 644960, 693610, 926144, 1109776, 1157680, 1289920, 1387220, 2011469, 2219552, 2315360, 2774440, 4022938, 4439104, 4630720, 5548880, 8045876, 10057345, 11097760, 16091752, 20114690, 22195520, 32183504, 40229380, 64367008, 80458760, 128734016, 160917520, 321835040, 643670080]

約数ペア:

[(1, 643670080), (2, 321835040), (4, 160917520), (5, 128734016), (8, 80458760), (10, 64367008), (16, 40229380), (20, 32183504), (29, 22195520), (32, 20114690), (40, 16091752), (58, 11097760), (64, 10057345), (80, 8045876), (116, 5548880), (139, 4630720), (145, 4439104), (160, 4022938), (232, 2774440), (278, 2315360), (290, 2219552), (320, 2011469), (464, 1387220), (499, 1289920), (556, 1157680), (580, 1109776), (695, 926144), (928, 693610), (998, 644960), (1112, 578840), (1160, 554888), (1390, 463072), (1856, 346805), (1996, 322480), (2224, 289420), (2320, 277444), (2495, 257984), (2780, 231536), (3992, 161240), (4031, 159680), (4448, 144710), (4640, 138722), (4990, 128992), (5560, 115768), (7984, 80620), (8062, 79840), (8896, 72355), (9280, 69361), (9980, 64496), (11120, 57884), (14471, 44480), (15968, 40310), (16124, 39920), (19960, 32248), (20155, 31936), (22240, 28942)]