20177246720

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{1069}}^1$

素因数の和:1266

約数の個数: 160

約数和(自身を含む): 49572697680

約数和(自身を除く): 29395450960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 101, 128, 146, 160, 202, 256, 292, 320, 365, 404, 505, 512, 584, 640, 730, 808, 1010, 1069, 1168, 1280, 1460, 1616, 2020, 2138, 2336, 2560, 2920, 3232, 4040, 4276, 4672, 5345, 5840, 6464, 7373, 8080, 8552, 9344, 10690, 11680, 12928, 14746, 16160, 17104, 18688, 21380, 23360, 25856, 29492, 32320, 34208, 36865, 37376, 42760, 46720, 51712, 58984, 64640, 68416, 73730, 78037, 85520, 93440, 107969, 117968, 129280, 136832, 147460, 156074, 171040, 186880, 215938, 235936, 258560, 273664, 294920, 312148, 342080, 390185, 431876, 471872, 539845, 547328, 589840, 624296, 684160, 780370, 863752, 943744, 1079690, 1179680, 1248592, 1368320, 1560740, 1727504, 1887488, 2159380, 2359360, 2497184, 2736640, 3121480, 3455008, 3774976, 4318760, 4718720, 4994368, 6242960, 6910016, 7881737, 8637520, 9437440, 9988736, 12485920, 13820032, 15763474, 17275040, 18874880, 19977472, 24971840, 27640064, 31526948, 34550080, 39408685, 39954944, 49943680, 55280128, 63053896, 69100160, 78817370, 99887360, 126107792, 138200320, 157634740, 199774720, 252215584, 276400640, 315269480, 504431168, 630538960, 1008862336, 1261077920, 2017724672, 2522155840, 4035449344, 5044311680, 10088623360, 20177246720]

約数ペア:

[(1, 20177246720), (2, 10088623360), (4, 5044311680), (5, 4035449344), (8, 2522155840), (10, 2017724672), (16, 1261077920), (20, 1008862336), (32, 630538960), (40, 504431168), (64, 315269480), (73, 276400640), (80, 252215584), (101, 199774720), (128, 157634740), (146, 138200320), (160, 126107792), (202, 99887360), (256, 78817370), (292, 69100160), (320, 63053896), (365, 55280128), (404, 49943680), (505, 39954944), (512, 39408685), (584, 34550080), (640, 31526948), (730, 27640064), (808, 24971840), (1010, 19977472), (1069, 18874880), (1168, 17275040), (1280, 15763474), (1460, 13820032), (1616, 12485920), (2020, 9988736), (2138, 9437440), (2336, 8637520), (2560, 7881737), (2920, 6910016), (3232, 6242960), (4040, 4994368), (4276, 4718720), (4672, 4318760), (5345, 3774976), (5840, 3455008), (6464, 3121480), (7373, 2736640), (8080, 2497184), (8552, 2359360), (9344, 2159380), (10690, 1887488), (11680, 1727504), (12928, 1560740), (14746, 1368320), (16160, 1248592), (17104, 1179680), (18688, 1079690), (21380, 943744), (23360, 863752), (25856, 780370), (29492, 684160), (32320, 624296), (34208, 589840), (36865, 547328), (37376, 539845), (42760, 471872), (46720, 431876), (51712, 390185), (58984, 342080), (64640, 312148), (68416, 294920), (73730, 273664), (78037, 258560), (85520, 235936), (93440, 215938), (107969, 186880), (117968, 171040), (129280, 156074), (136832, 147460)]