1215248840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{2543}}^1$

素因数の和:3486

約数の個数: 64

約数和(自身を含む): 2949004800

約数和(自身を除く): 1733755960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 919, 1838, 2543, 3676, 4595, 5086, 7352, 9190, 10172, 11947, 12715, 18380, 20344, 23894, 25430, 33059, 36760, 47788, 50860, 59735, 66118, 95576, 101720, 119470, 132236, 165295, 238940, 264472, 330590, 477880, 661180, 1322360, 2337017, 4674034, 9348068, 11685085, 18696136, 23370170, 30381221, 46740340, 60762442, 93480680, 121524884, 151906105, 243049768, 303812210, 607624420, 1215248840]

約数ペア:

[(1, 1215248840), (2, 607624420), (4, 303812210), (5, 243049768), (8, 151906105), (10, 121524884), (13, 93480680), (20, 60762442), (26, 46740340), (40, 30381221), (52, 23370170), (65, 18696136), (104, 11685085), (130, 9348068), (260, 4674034), (520, 2337017), (919, 1322360), (1838, 661180), (2543, 477880), (3676, 330590), (4595, 264472), (5086, 238940), (7352, 165295), (9190, 132236), (10172, 119470), (11947, 101720), (12715, 95576), (18380, 66118), (20344, 59735), (23894, 50860), (25430, 47788), (33059, 36760)]