177780320

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^2\times {\mathrm{503}}^1$

素因数の和:612

約数の個数: 72

約数和(自身を含む): 429985584

約数和(自身を除く): 252205264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 503, 752, 940, 1006, 1504, 1880, 2012, 2209, 2515, 3760, 4024, 4418, 5030, 7520, 8048, 8836, 10060, 11045, 16096, 17672, 20120, 22090, 23641, 35344, 40240, 44180, 47282, 70688, 80480, 88360, 94564, 118205, 176720, 189128, 236410, 353440, 378256, 472820, 756512, 945640, 1111127, 1891280, 2222254, 3782560, 4444508, 5555635, 8889016, 11111270, 17778032, 22222540, 35556064, 44445080, 88890160, 177780320]

約数ペア:

[(1, 177780320), (2, 88890160), (4, 44445080), (5, 35556064), (8, 22222540), (10, 17778032), (16, 11111270), (20, 8889016), (32, 5555635), (40, 4444508), (47, 3782560), (80, 2222254), (94, 1891280), (160, 1111127), (188, 945640), (235, 756512), (376, 472820), (470, 378256), (503, 353440), (752, 236410), (940, 189128), (1006, 176720), (1504, 118205), (1880, 94564), (2012, 88360), (2209, 80480), (2515, 70688), (3760, 47282), (4024, 44180), (4418, 40240), (5030, 35344), (7520, 23641), (8048, 22090), (8836, 20120), (10060, 17672), (11045, 16096)]