21167772720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{143881}}^1$

素因数の和:144510

約数の個数: 80

約数和(自身を含む): 65727599712

約数和(自身を除く): 44559826992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 613, 1226, 1839, 2452, 3065, 3678, 4904, 6130, 7356, 9195, 9808, 12260, 14712, 18390, 24520, 29424, 36780, 49040, 73560, 143881, 147120, 287762, 431643, 575524, 719405, 863286, 1151048, 1438810, 1726572, 2158215, 2302096, 2877620, 3453144, 4316430, 5755240, 6906288, 8632860, 11510480, 17265720, 34531440, 88199053, 176398106, 264597159, 352796212, 440995265, 529194318, 705592424, 881990530, 1058388636, 1322985795, 1411184848, 1763981060, 2116777272, 2645971590, 3527962120, 4233554544, 5291943180, 7055924240, 10583886360, 21167772720]

約数ペア:

[(1, 21167772720), (2, 10583886360), (3, 7055924240), (4, 5291943180), (5, 4233554544), (6, 3527962120), (8, 2645971590), (10, 2116777272), (12, 1763981060), (15, 1411184848), (16, 1322985795), (20, 1058388636), (24, 881990530), (30, 705592424), (40, 529194318), (48, 440995265), (60, 352796212), (80, 264597159), (120, 176398106), (240, 88199053), (613, 34531440), (1226, 17265720), (1839, 11510480), (2452, 8632860), (3065, 6906288), (3678, 5755240), (4904, 4316430), (6130, 3453144), (7356, 2877620), (9195, 2302096), (9808, 2158215), (12260, 1726572), (14712, 1438810), (18390, 1151048), (24520, 863286), (29424, 719405), (36780, 575524), (49040, 431643), (73560, 287762), (143881, 147120)]