30886960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1790

約数の個数: 80

約数和(自身を含む): 81932256

約数和(自身を除く): 51045296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1747, 1768, 2210, 3494, 3536, 4420, 6988, 8735, 8840, 13976, 17470, 17680, 22711, 27952, 29699, 34940, 45422, 59398, 69880, 90844, 113555, 118796, 139760, 148495, 181688, 227110, 237592, 296990, 363376, 386087, 454220, 475184, 593980, 772174, 908440, 1187960, 1544348, 1816880, 1930435, 2375920, 3088696, 3860870, 6177392, 7721740, 15443480, 30886960]

約数ペア:

[(1, 30886960), (2, 15443480), (4, 7721740), (5, 6177392), (8, 3860870), (10, 3088696), (13, 2375920), (16, 1930435), (17, 1816880), (20, 1544348), (26, 1187960), (34, 908440), (40, 772174), (52, 593980), (65, 475184), (68, 454220), (80, 386087), (85, 363376), (104, 296990), (130, 237592), (136, 227110), (170, 181688), (208, 148495), (221, 139760), (260, 118796), (272, 113555), (340, 90844), (442, 69880), (520, 59398), (680, 45422), (884, 34940), (1040, 29699), (1105, 27952), (1360, 22711), (1747, 17680), (1768, 17470), (2210, 13976), (3494, 8840), (3536, 8735), (4420, 6988)]