2015810040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 6128640000

約数和(自身を除く): 4112829960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 349, 379, 381, 508, 635, 698, 758, 762, 1016, 1047, 1137, 1270, 1396, 1516, 1524, 1745, 1895, 1905, 2094, 2274, 2540, 2792, 3032, 3048, 3490, 3790, 3810, 4188, 4548, 5080, 5235, 5685, 6980, 7580, 7620, 8376, 9096, 10470, 11370, 13960, 15160, 15240, 20940, 22740, 41880, 44323, 45480, 48133, 88646, 96266, 132271, 132969, 144399, 177292, 192532, 221615, 240665, 264542, 265938, 288798, 354584, 385064, 396813, 443230, 481330, 529084, 531876, 577596, 661355, 664845, 721995, 793626, 886460, 962660, 1058168, 1063752, 1155192, 1322710, 1329690, 1443990, 1587252, 1772920, 1925320, 1984065, 2645420, 2659380, 2887980, 3174504, 3968130, 5290840, 5318760, 5775960, 7936260, 15872520, 16798417, 33596834, 50395251, 67193668, 83992085, 100790502, 134387336, 167984170, 201581004, 251976255, 335968340, 403162008, 503952510, 671936680, 1007905020, 2015810040]

約数ペア:

[(1, 2015810040), (2, 1007905020), (3, 671936680), (4, 503952510), (5, 403162008), (6, 335968340), (8, 251976255), (10, 201581004), (12, 167984170), (15, 134387336), (20, 100790502), (24, 83992085), (30, 67193668), (40, 50395251), (60, 33596834), (120, 16798417), (127, 15872520), (254, 7936260), (349, 5775960), (379, 5318760), (381, 5290840), (508, 3968130), (635, 3174504), (698, 2887980), (758, 2659380), (762, 2645420), (1016, 1984065), (1047, 1925320), (1137, 1772920), (1270, 1587252), (1396, 1443990), (1516, 1329690), (1524, 1322710), (1745, 1155192), (1895, 1063752), (1905, 1058168), (2094, 962660), (2274, 886460), (2540, 793626), (2792, 721995), (3032, 664845), (3048, 661355), (3490, 577596), (3790, 531876), (3810, 529084), (4188, 481330), (4548, 443230), (5080, 396813), (5235, 385064), (5685, 354584), (6980, 288798), (7580, 265938), (7620, 264542), (8376, 240665), (9096, 221615), (10470, 192532), (11370, 177292), (13960, 144399), (15160, 132969), (15240, 132271), (20940, 96266), (22740, 88646), (41880, 48133), (44323, 45480)]