131232840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4357}}^1$

素因数の和:4622

約数の個数: 64

約数和(自身を含む): 395357760

約数和(自身を除く): 264124920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4357, 5020, 6024, 7530, 8714, 10040, 13071, 15060, 17428, 21785, 26142, 30120, 34856, 43570, 52284, 65355, 87140, 104568, 130710, 174280, 261420, 522840, 1093607, 2187214, 3280821, 4374428, 5468035, 6561642, 8748856, 10936070, 13123284, 16404105, 21872140, 26246568, 32808210, 43744280, 65616420, 131232840]

約数ペア:

[(1, 131232840), (2, 65616420), (3, 43744280), (4, 32808210), (5, 26246568), (6, 21872140), (8, 16404105), (10, 13123284), (12, 10936070), (15, 8748856), (20, 6561642), (24, 5468035), (30, 4374428), (40, 3280821), (60, 2187214), (120, 1093607), (251, 522840), (502, 261420), (753, 174280), (1004, 130710), (1255, 104568), (1506, 87140), (2008, 65355), (2510, 52284), (3012, 43570), (3765, 34856), (4357, 30120), (5020, 26142), (6024, 21785), (7530, 17428), (8714, 15060), (10040, 13071)]