123907640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 286428960

約数和(自身を除く): 162521320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 211, 212, 265, 277, 422, 424, 530, 554, 844, 1055, 1060, 1108, 1385, 1688, 2110, 2120, 2216, 2770, 4220, 5540, 8440, 11080, 11183, 14681, 22366, 29362, 44732, 55915, 58447, 58724, 73405, 89464, 111830, 116894, 117448, 146810, 223660, 233788, 292235, 293620, 447320, 467576, 584470, 587240, 1168940, 2337880, 3097691, 6195382, 12390764, 15488455, 24781528, 30976910, 61953820, 123907640]

約数ペア:

[(1, 123907640), (2, 61953820), (4, 30976910), (5, 24781528), (8, 15488455), (10, 12390764), (20, 6195382), (40, 3097691), (53, 2337880), (106, 1168940), (211, 587240), (212, 584470), (265, 467576), (277, 447320), (422, 293620), (424, 292235), (530, 233788), (554, 223660), (844, 146810), (1055, 117448), (1060, 116894), (1108, 111830), (1385, 89464), (1688, 73405), (2110, 58724), (2120, 58447), (2216, 55915), (2770, 44732), (4220, 29362), (5540, 22366), (8440, 14681), (11080, 11183)]