127798520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1153}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 306594720

約数和(自身を除く): 178796200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 815, 1153, 1304, 1630, 2306, 2771, 3260, 4612, 5542, 5765, 6520, 9224, 11084, 11530, 13855, 19601, 22168, 23060, 27710, 39202, 46120, 55420, 78404, 98005, 110840, 156808, 187939, 196010, 375878, 392020, 751756, 784040, 939695, 1503512, 1879390, 3194963, 3758780, 6389926, 7517560, 12779852, 15974815, 25559704, 31949630, 63899260, 127798520]

約数ペア:

[(1, 127798520), (2, 63899260), (4, 31949630), (5, 25559704), (8, 15974815), (10, 12779852), (17, 7517560), (20, 6389926), (34, 3758780), (40, 3194963), (68, 1879390), (85, 1503512), (136, 939695), (163, 784040), (170, 751756), (326, 392020), (340, 375878), (652, 196010), (680, 187939), (815, 156808), (1153, 110840), (1304, 98005), (1630, 78404), (2306, 55420), (2771, 46120), (3260, 39202), (4612, 27710), (5542, 23060), (5765, 22168), (6520, 19601), (9224, 13855), (11084, 11530)]