120861520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 304480512

約数和(自身を除く): 183618992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 251, 260, 463, 502, 520, 926, 1004, 1040, 1255, 1852, 2008, 2315, 2510, 3263, 3704, 4016, 4630, 5020, 6019, 6526, 7408, 9260, 10040, 12038, 13052, 16315, 18520, 20080, 24076, 26104, 30095, 32630, 37040, 48152, 52208, 60190, 65260, 96304, 116213, 120380, 130520, 232426, 240760, 261040, 464852, 481520, 581065, 929704, 1162130, 1510769, 1859408, 2324260, 3021538, 4648520, 6043076, 7553845, 9297040, 12086152, 15107690, 24172304, 30215380, 60430760, 120861520]

約数ペア:

[(1, 120861520), (2, 60430760), (4, 30215380), (5, 24172304), (8, 15107690), (10, 12086152), (13, 9297040), (16, 7553845), (20, 6043076), (26, 4648520), (40, 3021538), (52, 2324260), (65, 1859408), (80, 1510769), (104, 1162130), (130, 929704), (208, 581065), (251, 481520), (260, 464852), (463, 261040), (502, 240760), (520, 232426), (926, 130520), (1004, 120380), (1040, 116213), (1255, 96304), (1852, 65260), (2008, 60190), (2315, 52208), (2510, 48152), (3263, 37040), (3704, 32630), (4016, 30095), (4630, 26104), (5020, 24076), (6019, 20080), (6526, 18520), (7408, 16315), (9260, 13052), (10040, 12038)]