28920660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1157

約数の個数: 96

約数和(自身を含む): 89026560

約数和(自身を除く): 60105900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 874, 1103, 1140, 1311, 1380, 1748, 2185, 2206, 2622, 3309, 4370, 4412, 5244, 5515, 6555, 6618, 8740, 11030, 13110, 13236, 16545, 20957, 22060, 25369, 26220, 33090, 41914, 50738, 62871, 66180, 76107, 83828, 101476, 104785, 125742, 126845, 152214, 209570, 251484, 253690, 304428, 314355, 380535, 419140, 482011, 507380, 628710, 761070, 964022, 1257420, 1446033, 1522140, 1928044, 2410055, 2892066, 4820110, 5784132, 7230165, 9640220, 14460330, 28920660]

約数ペア:

[(1, 28920660), (2, 14460330), (3, 9640220), (4, 7230165), (5, 5784132), (6, 4820110), (10, 2892066), (12, 2410055), (15, 1928044), (19, 1522140), (20, 1446033), (23, 1257420), (30, 964022), (38, 761070), (46, 628710), (57, 507380), (60, 482011), (69, 419140), (76, 380535), (92, 314355), (95, 304428), (114, 253690), (115, 251484), (138, 209570), (190, 152214), (228, 126845), (230, 125742), (276, 104785), (285, 101476), (345, 83828), (380, 76107), (437, 66180), (460, 62871), (570, 50738), (690, 41914), (874, 33090), (1103, 26220), (1140, 25369), (1311, 22060), (1380, 20957), (1748, 16545), (2185, 13236), (2206, 13110), (2622, 11030), (3309, 8740), (4370, 6618), (4412, 6555), (5244, 5515)]