80949680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4663}}^1$

素因数の和:4714

約数の個数: 80

約数和(自身を含む): 222081024

約数和(自身を除く): 141131344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4663, 8680, 9326, 17360, 18652, 23315, 32641, 37304, 46630, 65282, 74608, 93260, 130564, 144553, 163205, 186520, 261128, 289106, 326410, 373040, 522256, 578212, 652820, 722765, 1011871, 1156424, 1305640, 1445530, 2023742, 2312848, 2611280, 2891060, 4047484, 5059355, 5782120, 8094968, 10118710, 11564240, 16189936, 20237420, 40474840, 80949680]

約数ペア:

[(1, 80949680), (2, 40474840), (4, 20237420), (5, 16189936), (7, 11564240), (8, 10118710), (10, 8094968), (14, 5782120), (16, 5059355), (20, 4047484), (28, 2891060), (31, 2611280), (35, 2312848), (40, 2023742), (56, 1445530), (62, 1305640), (70, 1156424), (80, 1011871), (112, 722765), (124, 652820), (140, 578212), (155, 522256), (217, 373040), (248, 326410), (280, 289106), (310, 261128), (434, 186520), (496, 163205), (560, 144553), (620, 130564), (868, 93260), (1085, 74608), (1240, 65282), (1736, 46630), (2170, 37304), (2480, 32641), (3472, 23315), (4340, 18652), (4663, 17360), (8680, 9326)]