1880860440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1289

約数の個数: 128

約数和(自身を含む): 5748480000

約数和(自身を除く): 3867619560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 199, 237, 316, 395, 398, 474, 597, 632, 790, 796, 948, 995, 997, 1185, 1194, 1580, 1592, 1896, 1990, 1994, 2370, 2388, 2985, 2991, 3160, 3980, 3988, 4740, 4776, 4985, 5970, 5982, 7960, 7976, 9480, 9970, 11940, 11964, 14955, 15721, 19940, 23880, 23928, 29910, 31442, 39880, 47163, 59820, 62884, 78605, 78763, 94326, 119640, 125768, 157210, 157526, 188652, 198403, 235815, 236289, 314420, 315052, 377304, 393815, 396806, 471630, 472578, 595209, 628840, 630104, 787630, 793612, 943260, 945156, 992015, 1181445, 1190418, 1575260, 1587224, 1886520, 1890312, 1984030, 2362890, 2380836, 2976045, 3150520, 3968060, 4725780, 4761672, 5952090, 7936120, 9451560, 11904180, 15673837, 23808360, 31347674, 47021511, 62695348, 78369185, 94043022, 125390696, 156738370, 188086044, 235107555, 313476740, 376172088, 470215110, 626953480, 940430220, 1880860440]

約数ペア:

[(1, 1880860440), (2, 940430220), (3, 626953480), (4, 470215110), (5, 376172088), (6, 313476740), (8, 235107555), (10, 188086044), (12, 156738370), (15, 125390696), (20, 94043022), (24, 78369185), (30, 62695348), (40, 47021511), (60, 31347674), (79, 23808360), (120, 15673837), (158, 11904180), (199, 9451560), (237, 7936120), (316, 5952090), (395, 4761672), (398, 4725780), (474, 3968060), (597, 3150520), (632, 2976045), (790, 2380836), (796, 2362890), (948, 1984030), (995, 1890312), (997, 1886520), (1185, 1587224), (1194, 1575260), (1580, 1190418), (1592, 1181445), (1896, 992015), (1990, 945156), (1994, 943260), (2370, 793612), (2388, 787630), (2985, 630104), (2991, 628840), (3160, 595209), (3980, 472578), (3988, 471630), (4740, 396806), (4776, 393815), (4985, 377304), (5970, 315052), (5982, 314420), (7960, 236289), (7976, 235815), (9480, 198403), (9970, 188652), (11940, 157526), (11964, 157210), (14955, 125768), (15721, 119640), (19940, 94326), (23880, 78763), (23928, 78605), (29910, 62884), (31442, 59820), (39880, 47163)]