72435640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2879}}^1$

素因数の和:2944

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 104857160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 2879, 3145, 5032, 5758, 6290, 11516, 12580, 14395, 23032, 25160, 28790, 48943, 57580, 97886, 106523, 115160, 195772, 213046, 244715, 391544, 426092, 489430, 532615, 852184, 978860, 1065230, 1810891, 1957720, 2130460, 3621782, 4260920, 7243564, 9054455, 14487128, 18108910, 36217820, 72435640]

約数ペア:

[(1, 72435640), (2, 36217820), (4, 18108910), (5, 14487128), (8, 9054455), (10, 7243564), (17, 4260920), (20, 3621782), (34, 2130460), (37, 1957720), (40, 1810891), (68, 1065230), (74, 978860), (85, 852184), (136, 532615), (148, 489430), (170, 426092), (185, 391544), (296, 244715), (340, 213046), (370, 195772), (629, 115160), (680, 106523), (740, 97886), (1258, 57580), (1480, 48943), (2516, 28790), (2879, 25160), (3145, 23032), (5032, 14395), (5758, 12580), (6290, 11516)]