1638376960

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:904

約数の個数: 160

約数和(自身を含む): 4349534112

約数和(自身を除く): 2711157152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 88, 110, 128, 146, 160, 176, 220, 256, 292, 320, 352, 365, 440, 512, 584, 640, 704, 730, 797, 803, 880, 1168, 1280, 1408, 1460, 1594, 1606, 1760, 2336, 2560, 2816, 2920, 3188, 3212, 3520, 3985, 4015, 4672, 5632, 5840, 6376, 6424, 7040, 7970, 8030, 8767, 9344, 11680, 12752, 12848, 14080, 15940, 16060, 17534, 18688, 23360, 25504, 25696, 28160, 31880, 32120, 35068, 37376, 43835, 46720, 51008, 51392, 58181, 63760, 64240, 70136, 87670, 93440, 102016, 102784, 116362, 127520, 128480, 140272, 175340, 186880, 204032, 205568, 232724, 255040, 256960, 280544, 290905, 350680, 408064, 411136, 465448, 510080, 513920, 561088, 581810, 639991, 701360, 930896, 1020160, 1027840, 1122176, 1163620, 1279982, 1402720, 1861792, 2040320, 2055680, 2244352, 2327240, 2559964, 2805440, 3199955, 3723584, 4488704, 4654480, 5119928, 5610880, 6399910, 7447168, 9308960, 10239856, 11221760, 12799820, 14894336, 18617920, 20479712, 22443520, 25599640, 29788672, 37235840, 40959424, 51199280, 74471680, 81918848, 102398560, 148943360, 163837696, 204797120, 327675392, 409594240, 819188480, 1638376960]

約数ペア:

[(1, 1638376960), (2, 819188480), (4, 409594240), (5, 327675392), (8, 204797120), (10, 163837696), (11, 148943360), (16, 102398560), (20, 81918848), (22, 74471680), (32, 51199280), (40, 40959424), (44, 37235840), (55, 29788672), (64, 25599640), (73, 22443520), (80, 20479712), (88, 18617920), (110, 14894336), (128, 12799820), (146, 11221760), (160, 10239856), (176, 9308960), (220, 7447168), (256, 6399910), (292, 5610880), (320, 5119928), (352, 4654480), (365, 4488704), (440, 3723584), (512, 3199955), (584, 2805440), (640, 2559964), (704, 2327240), (730, 2244352), (797, 2055680), (803, 2040320), (880, 1861792), (1168, 1402720), (1280, 1279982), (1408, 1163620), (1460, 1122176), (1594, 1027840), (1606, 1020160), (1760, 930896), (2336, 701360), (2560, 639991), (2816, 581810), (2920, 561088), (3188, 513920), (3212, 510080), (3520, 465448), (3985, 411136), (4015, 408064), (4672, 350680), (5632, 290905), (5840, 280544), (6376, 256960), (6424, 255040), (7040, 232724), (7970, 205568), (8030, 204032), (8767, 186880), (9344, 175340), (11680, 140272), (12752, 128480), (12848, 127520), (14080, 116362), (15940, 102784), (16060, 102016), (17534, 93440), (18688, 87670), (23360, 70136), (25504, 64240), (25696, 63760), (28160, 58181), (31880, 51392), (32120, 51008), (35068, 46720), (37376, 43835)]