212527980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{168673}}^1$

素因数の和:168695

約数の個数: 72

約数和(自身を含む): 736768032

約数和(自身を除く): 524240052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 168673, 337346, 506019, 674692, 843365, 1012038, 1180711, 1518057, 1686730, 2024076, 2361422, 2530095, 3036114, 3373460, 3542133, 4722844, 5060190, 5903555, 6072228, 7084266, 7590285, 10120380, 10626399, 11807110, 14168532, 15180570, 17710665, 21252798, 23614220, 30361140, 35421330, 42505596, 53131995, 70842660, 106263990, 212527980]

約数ペア:

[(1, 212527980), (2, 106263990), (3, 70842660), (4, 53131995), (5, 42505596), (6, 35421330), (7, 30361140), (9, 23614220), (10, 21252798), (12, 17710665), (14, 15180570), (15, 14168532), (18, 11807110), (20, 10626399), (21, 10120380), (28, 7590285), (30, 7084266), (35, 6072228), (36, 5903555), (42, 5060190), (45, 4722844), (60, 3542133), (63, 3373460), (70, 3036114), (84, 2530095), (90, 2361422), (105, 2024076), (126, 1686730), (140, 1518057), (180, 1180711), (210, 1012038), (252, 843365), (315, 674692), (420, 506019), (630, 337346), (1260, 168673)]