39639420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{631}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 120775200

約数和(自身を除く): 81135780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 631, 698, 1047, 1262, 1396, 1745, 1893, 2094, 2524, 3141, 3155, 3490, 3786, 4188, 5235, 5679, 6282, 6310, 6980, 7572, 9465, 10470, 11358, 12564, 12620, 15705, 18930, 20940, 22716, 28395, 31410, 37860, 56790, 62820, 113580, 220219, 440438, 660657, 880876, 1101095, 1321314, 1981971, 2202190, 2642628, 3303285, 3963942, 4404380, 6606570, 7927884, 9909855, 13213140, 19819710, 39639420]

約数ペア:

[(1, 39639420), (2, 19819710), (3, 13213140), (4, 9909855), (5, 7927884), (6, 6606570), (9, 4404380), (10, 3963942), (12, 3303285), (15, 2642628), (18, 2202190), (20, 1981971), (30, 1321314), (36, 1101095), (45, 880876), (60, 660657), (90, 440438), (180, 220219), (349, 113580), (631, 62820), (698, 56790), (1047, 37860), (1262, 31410), (1396, 28395), (1745, 22716), (1893, 20940), (2094, 18930), (2524, 15705), (3141, 12620), (3155, 12564), (3490, 11358), (3786, 10470), (4188, 9465), (5235, 7572), (5679, 6980), (6282, 6310)]