161938920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9437}}^1$

素因数の和:9475

約数の個数: 128

約数和(自身を含む): 570810240

約数和(自身を除く): 408871320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 9437, 17160, 18874, 28311, 37748, 47185, 56622, 75496, 94370, 103807, 113244, 122681, 141555, 188740, 207614, 226488, 245362, 283110, 311421, 368043, 377480, 415228, 490724, 519035, 566220, 613405, 622842, 736086, 830456, 981448, 1038070, 1132440, 1226810, 1245684, 1349491, 1472172, 1557105, 1840215, 2076140, 2453620, 2491368, 2698982, 2944344, 3114210, 3680430, 4048473, 4152280, 4907240, 5397964, 6228420, 6747455, 7360860, 8096946, 10795928, 12456840, 13494910, 14721720, 16193892, 20242365, 26989820, 32387784, 40484730, 53979640, 80969460, 161938920]

約数ペア:

[(1, 161938920), (2, 80969460), (3, 53979640), (4, 40484730), (5, 32387784), (6, 26989820), (8, 20242365), (10, 16193892), (11, 14721720), (12, 13494910), (13, 12456840), (15, 10795928), (20, 8096946), (22, 7360860), (24, 6747455), (26, 6228420), (30, 5397964), (33, 4907240), (39, 4152280), (40, 4048473), (44, 3680430), (52, 3114210), (55, 2944344), (60, 2698982), (65, 2491368), (66, 2453620), (78, 2076140), (88, 1840215), (104, 1557105), (110, 1472172), (120, 1349491), (130, 1245684), (132, 1226810), (143, 1132440), (156, 1038070), (165, 981448), (195, 830456), (220, 736086), (260, 622842), (264, 613405), (286, 566220), (312, 519035), (330, 490724), (390, 415228), (429, 377480), (440, 368043), (520, 311421), (572, 283110), (660, 245362), (715, 226488), (780, 207614), (858, 188740), (1144, 141555), (1320, 122681), (1430, 113244), (1560, 103807), (1716, 94370), (2145, 75496), (2860, 56622), (3432, 47185), (4290, 37748), (5720, 28311), (8580, 18874), (9437, 17160)]