31546280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 73440000

約数和(自身を除く): 41893720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 149, 158, 268, 298, 316, 335, 395, 536, 596, 632, 670, 745, 790, 1192, 1340, 1490, 1580, 2680, 2980, 3160, 5293, 5960, 9983, 10586, 11771, 19966, 21172, 23542, 26465, 39932, 42344, 47084, 49915, 52930, 58855, 79864, 94168, 99830, 105860, 117710, 199660, 211720, 235420, 399320, 470840, 788657, 1577314, 3154628, 3943285, 6309256, 7886570, 15773140, 31546280]

約数ペア:

[(1, 31546280), (2, 15773140), (4, 7886570), (5, 6309256), (8, 3943285), (10, 3154628), (20, 1577314), (40, 788657), (67, 470840), (79, 399320), (134, 235420), (149, 211720), (158, 199660), (268, 117710), (298, 105860), (316, 99830), (335, 94168), (395, 79864), (536, 58855), (596, 52930), (632, 49915), (670, 47084), (745, 42344), (790, 39932), (1192, 26465), (1340, 23542), (1490, 21172), (1580, 19966), (2680, 11771), (2980, 10586), (3160, 9983), (5293, 5960)]