20280480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 73156608

約数和(自身を除く): 52876128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 96, 110, 115, 120, 132, 138, 160, 165, 167, 176, 184, 220, 230, 240, 253, 264, 276, 330, 334, 345, 352, 368, 440, 460, 480, 501, 506, 528, 552, 660, 668, 690, 736, 759, 835, 880, 920, 1002, 1012, 1056, 1104, 1265, 1320, 1336, 1380, 1518, 1670, 1760, 1837, 1840, 2004, 2024, 2208, 2505, 2530, 2640, 2672, 2760, 3036, 3340, 3674, 3680, 3795, 3841, 4008, 4048, 5010, 5060, 5280, 5344, 5511, 5520, 6072, 6680, 7348, 7590, 7682, 8016, 8096, 9185, 10020, 10120, 11022, 11040, 11523, 12144, 13360, 14696, 15180, 15364, 16032, 18370, 19205, 20040, 20240, 22044, 23046, 24288, 26720, 27555, 29392, 30360, 30728, 36740, 38410, 40080, 40480, 42251, 44088, 46092, 55110, 57615, 58784, 60720, 61456, 73480, 76820, 80160, 84502, 88176, 92184, 110220, 115230, 121440, 122912, 126753, 146960, 153640, 169004, 176352, 184368, 211255, 220440, 230460, 253506, 293920, 307280, 338008, 368736, 422510, 440880, 460920, 507012, 614560, 633765, 676016, 845020, 881760, 921840, 1014024, 1267530, 1352032, 1690040, 1843680, 2028048, 2535060, 3380080, 4056096, 5070120, 6760160, 10140240, 20280480]

約数ペア:

[(1, 20280480), (2, 10140240), (3, 6760160), (4, 5070120), (5, 4056096), (6, 3380080), (8, 2535060), (10, 2028048), (11, 1843680), (12, 1690040), (15, 1352032), (16, 1267530), (20, 1014024), (22, 921840), (23, 881760), (24, 845020), (30, 676016), (32, 633765), (33, 614560), (40, 507012), (44, 460920), (46, 440880), (48, 422510), (55, 368736), (60, 338008), (66, 307280), (69, 293920), (80, 253506), (88, 230460), (92, 220440), (96, 211255), (110, 184368), (115, 176352), (120, 169004), (132, 153640), (138, 146960), (160, 126753), (165, 122912), (167, 121440), (176, 115230), (184, 110220), (220, 92184), (230, 88176), (240, 84502), (253, 80160), (264, 76820), (276, 73480), (330, 61456), (334, 60720), (345, 58784), (352, 57615), (368, 55110), (440, 46092), (460, 44088), (480, 42251), (501, 40480), (506, 40080), (528, 38410), (552, 36740), (660, 30728), (668, 30360), (690, 29392), (736, 27555), (759, 26720), (835, 24288), (880, 23046), (920, 22044), (1002, 20240), (1012, 20040), (1056, 19205), (1104, 18370), (1265, 16032), (1320, 15364), (1336, 15180), (1380, 14696), (1518, 13360), (1670, 12144), (1760, 11523), (1837, 11040), (1840, 11022), (2004, 10120), (2024, 10020), (2208, 9185), (2505, 8096), (2530, 8016), (2640, 7682), (2672, 7590), (2760, 7348), (3036, 6680), (3340, 6072), (3674, 5520), (3680, 5511), (3795, 5344), (3841, 5280), (4008, 5060), (4048, 5010)]