2187130920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{82471}}^1$

素因数の和:82515

約数の個数: 128

約数和(自身を含む): 7481859840

約数和(自身を除く): 5294728920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 13260, 26520, 82471, 164942, 247413, 329884, 412355, 494826, 659768, 824710, 989652, 1072123, 1237065, 1402007, 1649420, 1979304, 2144246, 2474130, 2804014, 3216369, 3298840, 4206021, 4288492, 4948260, 5360615, 5608028, 6432738, 7010035, 8412042, 8576984, 9896520, 10721230, 11216056, 12865476, 14020070, 16081845, 16824084, 18226091, 21030105, 21442460, 25730952, 28040140, 32163690, 33648168, 36452182, 42060210, 42884920, 54678273, 56080280, 64327380, 72904364, 84120420, 91130455, 109356546, 128654760, 145808728, 168240840, 182260910, 218713092, 273391365, 364521820, 437426184, 546782730, 729043640, 1093565460, 2187130920]

約数ペア:

[(1, 2187130920), (2, 1093565460), (3, 729043640), (4, 546782730), (5, 437426184), (6, 364521820), (8, 273391365), (10, 218713092), (12, 182260910), (13, 168240840), (15, 145808728), (17, 128654760), (20, 109356546), (24, 91130455), (26, 84120420), (30, 72904364), (34, 64327380), (39, 56080280), (40, 54678273), (51, 42884920), (52, 42060210), (60, 36452182), (65, 33648168), (68, 32163690), (78, 28040140), (85, 25730952), (102, 21442460), (104, 21030105), (120, 18226091), (130, 16824084), (136, 16081845), (156, 14020070), (170, 12865476), (195, 11216056), (204, 10721230), (221, 9896520), (255, 8576984), (260, 8412042), (312, 7010035), (340, 6432738), (390, 5608028), (408, 5360615), (442, 4948260), (510, 4288492), (520, 4206021), (663, 3298840), (680, 3216369), (780, 2804014), (884, 2474130), (1020, 2144246), (1105, 1979304), (1326, 1649420), (1560, 1402007), (1768, 1237065), (2040, 1072123), (2210, 989652), (2652, 824710), (3315, 659768), (4420, 494826), (5304, 412355), (6630, 329884), (8840, 247413), (13260, 164942), (26520, 82471)]