80002160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 229032960

約数和(自身を除く): 149030800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 80, 95, 103, 112, 133, 140, 146, 152, 190, 206, 266, 280, 292, 304, 365, 380, 412, 511, 515, 532, 560, 584, 665, 721, 730, 760, 824, 1022, 1030, 1064, 1168, 1330, 1387, 1442, 1460, 1520, 1648, 1957, 2044, 2060, 2128, 2555, 2660, 2774, 2884, 2920, 3605, 3914, 4088, 4120, 5110, 5320, 5548, 5768, 5840, 6935, 7210, 7519, 7828, 8176, 8240, 9709, 9785, 10220, 10640, 11096, 11536, 13699, 13870, 14420, 15038, 15656, 19418, 19570, 20440, 22192, 27398, 27740, 28840, 30076, 31312, 37595, 38836, 39140, 40880, 48545, 52633, 54796, 55480, 57680, 60152, 68495, 75190, 77672, 78280, 97090, 105266, 109592, 110960, 120304, 136990, 142861, 150380, 155344, 156560, 194180, 210532, 219184, 263165, 273980, 285722, 300760, 388360, 421064, 526330, 547960, 571444, 601520, 714305, 776720, 842128, 1000027, 1052660, 1095920, 1142888, 1428610, 2000054, 2105320, 2285776, 2857220, 4000108, 4210640, 5000135, 5714440, 8000216, 10000270, 11428880, 16000432, 20000540, 40001080, 80002160]

約数ペア:

[(1, 80002160), (2, 40001080), (4, 20000540), (5, 16000432), (7, 11428880), (8, 10000270), (10, 8000216), (14, 5714440), (16, 5000135), (19, 4210640), (20, 4000108), (28, 2857220), (35, 2285776), (38, 2105320), (40, 2000054), (56, 1428610), (70, 1142888), (73, 1095920), (76, 1052660), (80, 1000027), (95, 842128), (103, 776720), (112, 714305), (133, 601520), (140, 571444), (146, 547960), (152, 526330), (190, 421064), (206, 388360), (266, 300760), (280, 285722), (292, 273980), (304, 263165), (365, 219184), (380, 210532), (412, 194180), (511, 156560), (515, 155344), (532, 150380), (560, 142861), (584, 136990), (665, 120304), (721, 110960), (730, 109592), (760, 105266), (824, 97090), (1022, 78280), (1030, 77672), (1064, 75190), (1168, 68495), (1330, 60152), (1387, 57680), (1442, 55480), (1460, 54796), (1520, 52633), (1648, 48545), (1957, 40880), (2044, 39140), (2060, 38836), (2128, 37595), (2555, 31312), (2660, 30076), (2774, 28840), (2884, 27740), (2920, 27398), (3605, 22192), (3914, 20440), (4088, 19570), (4120, 19418), (5110, 15656), (5320, 15038), (5548, 14420), (5768, 13870), (5840, 13699), (6935, 11536), (7210, 11096), (7519, 10640), (7828, 10220), (8176, 9785), (8240, 9709)]