278702520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{29399}}^1$

素因数の和:29492

約数の個数: 64

約数和(自身を含む): 846720000

約数和(自身を除く): 568017480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 29399, 58798, 88197, 117596, 146995, 176394, 235192, 293990, 352788, 440985, 587980, 705576, 881970, 1175960, 1763940, 2322521, 3527880, 4645042, 6967563, 9290084, 11612605, 13935126, 18580168, 23225210, 27870252, 34837815, 46450420, 55740504, 69675630, 92900840, 139351260, 278702520]

約数ペア:

[(1, 278702520), (2, 139351260), (3, 92900840), (4, 69675630), (5, 55740504), (6, 46450420), (8, 34837815), (10, 27870252), (12, 23225210), (15, 18580168), (20, 13935126), (24, 11612605), (30, 9290084), (40, 6967563), (60, 4645042), (79, 3527880), (120, 2322521), (158, 1763940), (237, 1175960), (316, 881970), (395, 705576), (474, 587980), (632, 440985), (790, 352788), (948, 293990), (1185, 235192), (1580, 176394), (1896, 146995), (2370, 117596), (3160, 88197), (4740, 58798), (9480, 29399)]