31376340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5623}}^1$

素因数の和:5669

約数の個数: 72

約数和(自身を含む): 98262528

約数和(自身を除く): 66886188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 5623, 11246, 16869, 22492, 28115, 33738, 50607, 56230, 67476, 84345, 101214, 112460, 168690, 174313, 202428, 253035, 337380, 348626, 506070, 522939, 697252, 871565, 1012140, 1045878, 1568817, 1743130, 2091756, 2614695, 3137634, 3486260, 5229390, 6275268, 7844085, 10458780, 15688170, 31376340]

約数ペア:

[(1, 31376340), (2, 15688170), (3, 10458780), (4, 7844085), (5, 6275268), (6, 5229390), (9, 3486260), (10, 3137634), (12, 2614695), (15, 2091756), (18, 1743130), (20, 1568817), (30, 1045878), (31, 1012140), (36, 871565), (45, 697252), (60, 522939), (62, 506070), (90, 348626), (93, 337380), (124, 253035), (155, 202428), (180, 174313), (186, 168690), (279, 112460), (310, 101214), (372, 84345), (465, 67476), (558, 56230), (620, 50607), (930, 33738), (1116, 28115), (1395, 22492), (1860, 16869), (2790, 11246), (5580, 5623)]