688604580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2069}}^1$

素因数の和:2170

約数の個数: 108

約数和(自身を含む): 2139506460

約数和(自身を除く): 1450901880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1849, 1935, 2069, 2580, 3698, 3870, 4138, 5547, 6207, 7396, 7740, 8276, 9245, 10345, 11094, 12414, 16641, 18490, 18621, 20690, 22188, 24828, 27735, 31035, 33282, 36980, 37242, 41380, 55470, 62070, 66564, 74484, 83205, 88967, 93105, 110940, 124140, 166410, 177934, 186210, 266901, 332820, 355868, 372420, 444835, 533802, 800703, 889670, 1067604, 1334505, 1601406, 1779340, 2669010, 3202812, 3825581, 4003515, 5338020, 7651162, 8007030, 11476743, 15302324, 16014060, 19127905, 22953486, 34430229, 38255810, 45906972, 57383715, 68860458, 76511620, 114767430, 137720916, 172151145, 229534860, 344302290, 688604580]

約数ペア:

[(1, 688604580), (2, 344302290), (3, 229534860), (4, 172151145), (5, 137720916), (6, 114767430), (9, 76511620), (10, 68860458), (12, 57383715), (15, 45906972), (18, 38255810), (20, 34430229), (30, 22953486), (36, 19127905), (43, 16014060), (45, 15302324), (60, 11476743), (86, 8007030), (90, 7651162), (129, 5338020), (172, 4003515), (180, 3825581), (215, 3202812), (258, 2669010), (387, 1779340), (430, 1601406), (516, 1334505), (645, 1067604), (774, 889670), (860, 800703), (1290, 533802), (1548, 444835), (1849, 372420), (1935, 355868), (2069, 332820), (2580, 266901), (3698, 186210), (3870, 177934), (4138, 166410), (5547, 124140), (6207, 110940), (7396, 93105), (7740, 88967), (8276, 83205), (9245, 74484), (10345, 66564), (11094, 62070), (12414, 55470), (16641, 41380), (18490, 37242), (18621, 36980), (20690, 33282), (22188, 31035), (24828, 27735)]