641108340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21851}}^1$

素因数の和:22029

約数の個数: 72

約数和(自身を含む): 1956715488

約数和(自身を除く): 1315607148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 9780, 14670, 21851, 29340, 43702, 65553, 87404, 109255, 131106, 196659, 218510, 262212, 327765, 393318, 437020, 655530, 786636, 983295, 1311060, 1966590, 3561713, 3933180, 7123426, 10685139, 14246852, 17808565, 21370278, 32055417, 35617130, 42740556, 53425695, 64110834, 71234260, 106851390, 128221668, 160277085, 213702780, 320554170, 641108340]

約数ペア:

[(1, 641108340), (2, 320554170), (3, 213702780), (4, 160277085), (5, 128221668), (6, 106851390), (9, 71234260), (10, 64110834), (12, 53425695), (15, 42740556), (18, 35617130), (20, 32055417), (30, 21370278), (36, 17808565), (45, 14246852), (60, 10685139), (90, 7123426), (163, 3933180), (180, 3561713), (326, 1966590), (489, 1311060), (652, 983295), (815, 786636), (978, 655530), (1467, 437020), (1630, 393318), (1956, 327765), (2445, 262212), (2934, 218510), (3260, 196659), (4890, 131106), (5868, 109255), (7335, 87404), (9780, 65553), (14670, 43702), (21851, 29340)]