291219240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{186679}}^1$

素因数の和:186706

約数の個数: 64

約数和(自身を含む): 940867200

約数和(自身を除く): 649647960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 186679, 373358, 560037, 746716, 933395, 1120074, 1493432, 1866790, 2240148, 2426827, 2800185, 3733580, 4480296, 4853654, 5600370, 7280481, 7467160, 9707308, 11200740, 12134135, 14560962, 19414616, 22401480, 24268270, 29121924, 36402405, 48536540, 58243848, 72804810, 97073080, 145609620, 291219240]

約数ペア:

[(1, 291219240), (2, 145609620), (3, 97073080), (4, 72804810), (5, 58243848), (6, 48536540), (8, 36402405), (10, 29121924), (12, 24268270), (13, 22401480), (15, 19414616), (20, 14560962), (24, 12134135), (26, 11200740), (30, 9707308), (39, 7467160), (40, 7280481), (52, 5600370), (60, 4853654), (65, 4480296), (78, 3733580), (104, 2800185), (120, 2426827), (130, 2240148), (156, 1866790), (195, 1493432), (260, 1120074), (312, 933395), (390, 746716), (520, 560037), (780, 373358), (1560, 186679)]