19895375880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1285231}}^1$

素因数の和:1285291

約数の個数: 96

約数和(自身を含む): 66163743360

約数和(自身を除く): 46268367480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2580, 3096, 3870, 5160, 7740, 15480, 1285231, 2570462, 3855693, 5140924, 6426155, 7711386, 10281848, 11567079, 12852310, 15422772, 19278465, 23134158, 25704620, 30845544, 38556930, 46268316, 51409240, 55264933, 57835395, 77113860, 92536632, 110529866, 115670790, 154227720, 165794799, 221059732, 231341580, 276324665, 331589598, 442119464, 462683160, 497384397, 552649330, 663179196, 828973995, 994768794, 1105298660, 1326358392, 1657947990, 1989537588, 2210597320, 2486921985, 3315895980, 3979075176, 4973843970, 6631791960, 9947687940, 19895375880]

約数ペア:

[(1, 19895375880), (2, 9947687940), (3, 6631791960), (4, 4973843970), (5, 3979075176), (6, 3315895980), (8, 2486921985), (9, 2210597320), (10, 1989537588), (12, 1657947990), (15, 1326358392), (18, 1105298660), (20, 994768794), (24, 828973995), (30, 663179196), (36, 552649330), (40, 497384397), (43, 462683160), (45, 442119464), (60, 331589598), (72, 276324665), (86, 231341580), (90, 221059732), (120, 165794799), (129, 154227720), (172, 115670790), (180, 110529866), (215, 92536632), (258, 77113860), (344, 57835395), (360, 55264933), (387, 51409240), (430, 46268316), (516, 38556930), (645, 30845544), (774, 25704620), (860, 23134158), (1032, 19278465), (1290, 15422772), (1548, 12852310), (1720, 11567079), (1935, 10281848), (2580, 7711386), (3096, 6426155), (3870, 5140924), (5160, 3855693), (7740, 2570462), (15480, 1285231)]