161641360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 120

約数和(自身を含む): 412440120

約数和(自身を除く): 250798760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 193, 232, 290, 304, 361, 380, 386, 464, 551, 580, 722, 760, 772, 965, 1102, 1160, 1444, 1520, 1544, 1805, 1930, 2204, 2320, 2755, 2888, 3088, 3610, 3667, 3860, 4408, 5510, 5597, 5776, 7220, 7334, 7720, 8816, 10469, 11020, 11194, 14440, 14668, 15440, 18335, 20938, 22040, 22388, 27985, 28880, 29336, 36670, 41876, 44080, 44776, 52345, 55970, 58672, 69673, 73340, 83752, 89552, 104690, 106343, 111940, 139346, 146680, 167504, 209380, 212686, 223880, 278692, 293360, 348365, 418760, 425372, 447760, 531715, 557384, 696730, 837520, 850744, 1063430, 1114768, 1393460, 1701488, 2020517, 2126860, 2786920, 4041034, 4253720, 5573840, 8082068, 8507440, 10102585, 16164136, 20205170, 32328272, 40410340, 80820680, 161641360]

約数ペア:

[(1, 161641360), (2, 80820680), (4, 40410340), (5, 32328272), (8, 20205170), (10, 16164136), (16, 10102585), (19, 8507440), (20, 8082068), (29, 5573840), (38, 4253720), (40, 4041034), (58, 2786920), (76, 2126860), (80, 2020517), (95, 1701488), (116, 1393460), (145, 1114768), (152, 1063430), (190, 850744), (193, 837520), (232, 696730), (290, 557384), (304, 531715), (361, 447760), (380, 425372), (386, 418760), (464, 348365), (551, 293360), (580, 278692), (722, 223880), (760, 212686), (772, 209380), (965, 167504), (1102, 146680), (1160, 139346), (1444, 111940), (1520, 106343), (1544, 104690), (1805, 89552), (1930, 83752), (2204, 73340), (2320, 69673), (2755, 58672), (2888, 55970), (3088, 52345), (3610, 44776), (3667, 44080), (3860, 41876), (4408, 36670), (5510, 29336), (5597, 28880), (5776, 27985), (7220, 22388), (7334, 22040), (7720, 20938), (8816, 18335), (10469, 15440), (11020, 14668), (11194, 14440)]