420940980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{14347}}^1$

素因数の和:14525

約数の個数: 72

約数和(自身を含む): 1284777312

約数和(自身を除く): 863836332

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, 14347, 14670, 28694, 29340, 43041, 57388, 71735, 86082, 129123, 143470, 172164, 215205, 258246, 286940, 430410, 516492, 645615, 860820, 1291230, 2338561, 2582460, 4677122, 7015683, 9354244, 11692805, 14031366, 21047049, 23385610, 28062732, 35078415, 42094098, 46771220, 70156830, 84188196, 105235245, 140313660, 210470490, 420940980]

約数ペア:

[(1, 420940980), (2, 210470490), (3, 140313660), (4, 105235245), (5, 84188196), (6, 70156830), (9, 46771220), (10, 42094098), (12, 35078415), (15, 28062732), (18, 23385610), (20, 21047049), (30, 14031366), (36, 11692805), (45, 9354244), (60, 7015683), (90, 4677122), (163, 2582460), (180, 2338561), (326, 1291230), (489, 860820), (652, 645615), (815, 516492), (978, 430410), (1467, 286940), (1630, 258246), (1956, 215205), (2445, 172164), (2934, 143470), (3260, 129123), (4890, 86082), (5868, 71735), (7335, 57388), (9780, 43041), (14347, 29340), (14670, 28694)]