64729960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1690

約数の個数: 64

約数和(自身を含む): 156297600

約数和(自身を除く): 91567640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 1607, 2014, 2120, 3214, 4028, 5035, 6428, 8035, 8056, 10070, 12856, 16070, 20140, 30533, 32140, 40280, 61066, 64280, 85171, 122132, 152665, 170342, 244264, 305330, 340684, 425855, 610660, 681368, 851710, 1221320, 1618249, 1703420, 3236498, 3406840, 6472996, 8091245, 12945992, 16182490, 32364980, 64729960]

約数ペア:

[(1, 64729960), (2, 32364980), (4, 16182490), (5, 12945992), (8, 8091245), (10, 6472996), (19, 3406840), (20, 3236498), (38, 1703420), (40, 1618249), (53, 1221320), (76, 851710), (95, 681368), (106, 610660), (152, 425855), (190, 340684), (212, 305330), (265, 244264), (380, 170342), (424, 152665), (530, 122132), (760, 85171), (1007, 64280), (1060, 61066), (1607, 40280), (2014, 32140), (2120, 30533), (3214, 20140), (4028, 16070), (5035, 12856), (6428, 10070), (8035, 8056)]