1261287236240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11489}}^1\times {\mathrm{44267}}^1$

素因数の和:55800

約数の個数: 80

約数和(自身を含む): 3027421232640

約数和(自身を除く): 1766133996400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11489, 22978, 44267, 45956, 57445, 88534, 91912, 114890, 177068, 183824, 221335, 229780, 354136, 356159, 442670, 459560, 708272, 712318, 885340, 919120, 1372277, 1424636, 1770680, 1780795, 2744554, 2849272, 3541360, 3561590, 5489108, 5698544, 6861385, 7123180, 10978216, 13722770, 14246360, 21956432, 27445540, 28492720, 54891080, 109782160, 508583563, 1017167126, 2034334252, 2542917815, 4068668504, 5085835630, 8137337008, 10171671260, 15766090453, 20343342520, 31532180906, 40686685040, 63064361812, 78830452265, 126128723624, 157660904530, 252257447248, 315321809060, 630643618120, 1261287236240]

約数ペア:

[(1, 1261287236240), (2, 630643618120), (4, 315321809060), (5, 252257447248), (8, 157660904530), (10, 126128723624), (16, 78830452265), (20, 63064361812), (31, 40686685040), (40, 31532180906), (62, 20343342520), (80, 15766090453), (124, 10171671260), (155, 8137337008), (248, 5085835630), (310, 4068668504), (496, 2542917815), (620, 2034334252), (1240, 1017167126), (2480, 508583563), (11489, 109782160), (22978, 54891080), (44267, 28492720), (45956, 27445540), (57445, 21956432), (88534, 14246360), (91912, 13722770), (114890, 10978216), (177068, 7123180), (183824, 6861385), (221335, 5698544), (229780, 5489108), (354136, 3561590), (356159, 3541360), (442670, 2849272), (459560, 2744554), (708272, 1780795), (712318, 1770680), (885340, 1424636), (919120, 1372277)]