135409720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 312530400

約数和(自身を除く): 177120680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 181, 236, 295, 317, 362, 472, 590, 634, 724, 905, 1180, 1268, 1448, 1585, 1810, 2360, 2536, 3170, 3620, 6340, 7240, 10679, 12680, 18703, 21358, 37406, 42716, 53395, 57377, 74812, 85432, 93515, 106790, 114754, 149624, 187030, 213580, 229508, 286885, 374060, 427160, 459016, 573770, 748120, 1147540, 2295080, 3385243, 6770486, 13540972, 16926215, 27081944, 33852430, 67704860, 135409720]

約数ペア:

[(1, 135409720), (2, 67704860), (4, 33852430), (5, 27081944), (8, 16926215), (10, 13540972), (20, 6770486), (40, 3385243), (59, 2295080), (118, 1147540), (181, 748120), (236, 573770), (295, 459016), (317, 427160), (362, 374060), (472, 286885), (590, 229508), (634, 213580), (724, 187030), (905, 149624), (1180, 114754), (1268, 106790), (1448, 93515), (1585, 85432), (1810, 74812), (2360, 57377), (2536, 53395), (3170, 42716), (3620, 37406), (6340, 21358), (7240, 18703), (10679, 12680)]