89880320

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 233114112

約数和(自身を除く): 143233792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 71, 80, 86, 92, 115, 128, 142, 160, 172, 184, 215, 230, 256, 284, 320, 344, 355, 368, 430, 460, 568, 640, 688, 710, 736, 860, 920, 989, 1136, 1280, 1376, 1420, 1472, 1633, 1720, 1840, 1978, 2272, 2752, 2840, 2944, 3053, 3266, 3440, 3680, 3956, 4544, 4945, 5504, 5680, 5888, 6106, 6532, 6880, 7360, 7912, 8165, 9088, 9890, 11008, 11360, 12212, 13064, 13760, 14720, 15265, 15824, 16330, 18176, 19780, 22720, 24424, 26128, 27520, 29440, 30530, 31648, 32660, 39560, 45440, 48848, 52256, 55040, 61060, 63296, 65320, 70219, 79120, 90880, 97696, 104512, 122120, 126592, 130640, 140438, 158240, 195392, 209024, 244240, 253184, 261280, 280876, 316480, 351095, 390784, 418048, 488480, 522560, 561752, 632960, 702190, 781568, 976960, 1045120, 1123504, 1265920, 1404380, 1953920, 2090240, 2247008, 2808760, 3907840, 4494016, 5617520, 8988032, 11235040, 17976064, 22470080, 44940160, 89880320]

約数ペア:

[(1, 89880320), (2, 44940160), (4, 22470080), (5, 17976064), (8, 11235040), (10, 8988032), (16, 5617520), (20, 4494016), (23, 3907840), (32, 2808760), (40, 2247008), (43, 2090240), (46, 1953920), (64, 1404380), (71, 1265920), (80, 1123504), (86, 1045120), (92, 976960), (115, 781568), (128, 702190), (142, 632960), (160, 561752), (172, 522560), (184, 488480), (215, 418048), (230, 390784), (256, 351095), (284, 316480), (320, 280876), (344, 261280), (355, 253184), (368, 244240), (430, 209024), (460, 195392), (568, 158240), (640, 140438), (688, 130640), (710, 126592), (736, 122120), (860, 104512), (920, 97696), (989, 90880), (1136, 79120), (1280, 70219), (1376, 65320), (1420, 63296), (1472, 61060), (1633, 55040), (1720, 52256), (1840, 48848), (1978, 45440), (2272, 39560), (2752, 32660), (2840, 31648), (2944, 30530), (3053, 29440), (3266, 27520), (3440, 26128), (3680, 24424), (3956, 22720), (4544, 19780), (4945, 18176), (5504, 16330), (5680, 15824), (5888, 15265), (6106, 14720), (6532, 13760), (6880, 13064), (7360, 12212), (7912, 11360), (8165, 11008), (9088, 9890)]