89141920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 192

約数和(自身を含む): 261273600

約数和(自身を除く): 172131680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 59, 70, 71, 76, 80, 95, 112, 118, 133, 140, 142, 152, 160, 190, 224, 236, 266, 280, 284, 295, 304, 355, 380, 413, 472, 497, 532, 560, 568, 590, 608, 665, 710, 760, 826, 944, 994, 1064, 1120, 1121, 1136, 1180, 1330, 1349, 1420, 1520, 1652, 1888, 1988, 2065, 2128, 2242, 2272, 2360, 2485, 2660, 2698, 2840, 3040, 3304, 3976, 4130, 4189, 4256, 4484, 4720, 4970, 5320, 5396, 5605, 5680, 6608, 6745, 7847, 7952, 8260, 8378, 8968, 9440, 9443, 9940, 10640, 10792, 11210, 11360, 13216, 13490, 15694, 15904, 16520, 16756, 17936, 18886, 19880, 20945, 21280, 21584, 22420, 26980, 29323, 31388, 33040, 33512, 35872, 37772, 39235, 39760, 41890, 43168, 44840, 47215, 53960, 58646, 62776, 66080, 67024, 75544, 78470, 79520, 79591, 83780, 89680, 94430, 107920, 117292, 125552, 134048, 146615, 151088, 156940, 159182, 167560, 179360, 188860, 215840, 234584, 251104, 293230, 302176, 313880, 318364, 335120, 377720, 397955, 469168, 557137, 586460, 627760, 636728, 670240, 755440, 795910, 938336, 1114274, 1172920, 1255520, 1273456, 1510880, 1591820, 2228548, 2345840, 2546912, 2785685, 3183640, 4457096, 4691680, 5571370, 6367280, 8914192, 11142740, 12734560, 17828384, 22285480, 44570960, 89141920]

約数ペア:

[(1, 89141920), (2, 44570960), (4, 22285480), (5, 17828384), (7, 12734560), (8, 11142740), (10, 8914192), (14, 6367280), (16, 5571370), (19, 4691680), (20, 4457096), (28, 3183640), (32, 2785685), (35, 2546912), (38, 2345840), (40, 2228548), (56, 1591820), (59, 1510880), (70, 1273456), (71, 1255520), (76, 1172920), (80, 1114274), (95, 938336), (112, 795910), (118, 755440), (133, 670240), (140, 636728), (142, 627760), (152, 586460), (160, 557137), (190, 469168), (224, 397955), (236, 377720), (266, 335120), (280, 318364), (284, 313880), (295, 302176), (304, 293230), (355, 251104), (380, 234584), (413, 215840), (472, 188860), (497, 179360), (532, 167560), (560, 159182), (568, 156940), (590, 151088), (608, 146615), (665, 134048), (710, 125552), (760, 117292), (826, 107920), (944, 94430), (994, 89680), (1064, 83780), (1120, 79591), (1121, 79520), (1136, 78470), (1180, 75544), (1330, 67024), (1349, 66080), (1420, 62776), (1520, 58646), (1652, 53960), (1888, 47215), (1988, 44840), (2065, 43168), (2128, 41890), (2242, 39760), (2272, 39235), (2360, 37772), (2485, 35872), (2660, 33512), (2698, 33040), (2840, 31388), (3040, 29323), (3304, 26980), (3976, 22420), (4130, 21584), (4189, 21280), (4256, 20945), (4484, 19880), (4720, 18886), (4970, 17936), (5320, 16756), (5396, 16520), (5605, 15904), (5680, 15694), (6608, 13490), (6745, 13216), (7847, 11360), (7952, 11210), (8260, 10792), (8378, 10640), (8968, 9940), (9440, 9443)]