1323168040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{1319}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 3079296000

約数和(自身を除く): 1756127960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 809, 1240, 1319, 1618, 2638, 3236, 4045, 5276, 6472, 6595, 8090, 10552, 13190, 16180, 25079, 26380, 32360, 40889, 50158, 52760, 81778, 100316, 125395, 163556, 200632, 204445, 250790, 327112, 408890, 501580, 817780, 1003160, 1067071, 1635560, 2134142, 4268284, 5335355, 8536568, 10670710, 21341420, 33079201, 42682840, 66158402, 132316804, 165396005, 264633608, 330792010, 661584020, 1323168040]

約数ペア:

[(1, 1323168040), (2, 661584020), (4, 330792010), (5, 264633608), (8, 165396005), (10, 132316804), (20, 66158402), (31, 42682840), (40, 33079201), (62, 21341420), (124, 10670710), (155, 8536568), (248, 5335355), (310, 4268284), (620, 2134142), (809, 1635560), (1240, 1067071), (1319, 1003160), (1618, 817780), (2638, 501580), (3236, 408890), (4045, 327112), (5276, 250790), (6472, 204445), (6595, 200632), (8090, 163556), (10552, 125395), (13190, 100316), (16180, 81778), (25079, 52760), (26380, 50158), (32360, 40889)]