77690280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2389}}^1$

素因数の和:2674

約数の個数: 64

約数和(自身を含む): 234028800

約数和(自身を除く): 156338520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 1084, 1355, 1626, 2168, 2389, 2710, 3252, 4065, 4778, 5420, 6504, 7167, 8130, 9556, 10840, 11945, 14334, 16260, 19112, 23890, 28668, 32520, 35835, 47780, 57336, 71670, 95560, 143340, 286680, 647419, 1294838, 1942257, 2589676, 3237095, 3884514, 5179352, 6474190, 7769028, 9711285, 12948380, 15538056, 19422570, 25896760, 38845140, 77690280]

約数ペア:

[(1, 77690280), (2, 38845140), (3, 25896760), (4, 19422570), (5, 15538056), (6, 12948380), (8, 9711285), (10, 7769028), (12, 6474190), (15, 5179352), (20, 3884514), (24, 3237095), (30, 2589676), (40, 1942257), (60, 1294838), (120, 647419), (271, 286680), (542, 143340), (813, 95560), (1084, 71670), (1355, 57336), (1626, 47780), (2168, 35835), (2389, 32520), (2710, 28668), (3252, 23890), (4065, 19112), (4778, 16260), (5420, 14334), (6504, 11945), (7167, 10840), (8130, 9556)]