71520408

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 217945200

約数和(自身を除く): 146424792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 37, 38, 54, 57, 72, 74, 76, 81, 108, 111, 114, 148, 152, 157, 162, 171, 216, 222, 228, 296, 314, 324, 333, 342, 444, 456, 471, 513, 628, 648, 666, 684, 703, 888, 942, 999, 1026, 1256, 1332, 1368, 1406, 1413, 1539, 1884, 1998, 2052, 2109, 2664, 2812, 2826, 2983, 2997, 3078, 3768, 3996, 4104, 4218, 4239, 5624, 5652, 5809, 5966, 5994, 6156, 6327, 7992, 8436, 8478, 8949, 11304, 11618, 11932, 11988, 12312, 12654, 12717, 16872, 16956, 17427, 17898, 18981, 23236, 23864, 23976, 25308, 25434, 26847, 33912, 34854, 35796, 37962, 46472, 50616, 50868, 52281, 53694, 56943, 69708, 71592, 75924, 80541, 101736, 104562, 107388, 110371, 113886, 139416, 151848, 156843, 161082, 209124, 214776, 220742, 227772, 241623, 313686, 322164, 331113, 418248, 441484, 455544, 470529, 483246, 627372, 644328, 662226, 882968, 941058, 966492, 993339, 1254744, 1324452, 1882116, 1932984, 1986678, 2648904, 2980017, 3764232, 3973356, 5960034, 7946712, 8940051, 11920068, 17880102, 23840136, 35760204, 71520408]

約数ペア:

[(1, 71520408), (2, 35760204), (3, 23840136), (4, 17880102), (6, 11920068), (8, 8940051), (9, 7946712), (12, 5960034), (18, 3973356), (19, 3764232), (24, 2980017), (27, 2648904), (36, 1986678), (37, 1932984), (38, 1882116), (54, 1324452), (57, 1254744), (72, 993339), (74, 966492), (76, 941058), (81, 882968), (108, 662226), (111, 644328), (114, 627372), (148, 483246), (152, 470529), (157, 455544), (162, 441484), (171, 418248), (216, 331113), (222, 322164), (228, 313686), (296, 241623), (314, 227772), (324, 220742), (333, 214776), (342, 209124), (444, 161082), (456, 156843), (471, 151848), (513, 139416), (628, 113886), (648, 110371), (666, 107388), (684, 104562), (703, 101736), (888, 80541), (942, 75924), (999, 71592), (1026, 69708), (1256, 56943), (1332, 53694), (1368, 52281), (1406, 50868), (1413, 50616), (1539, 46472), (1884, 37962), (1998, 35796), (2052, 34854), (2109, 33912), (2664, 26847), (2812, 25434), (2826, 25308), (2983, 23976), (2997, 23864), (3078, 23236), (3768, 18981), (3996, 17898), (4104, 17427), (4218, 16956), (4239, 16872), (5624, 12717), (5652, 12654), (5809, 12312), (5966, 11988), (5994, 11932), (6156, 11618), (6327, 11304), (7992, 8949), (8436, 8478)]