161440128

素因数分解:

$2^7\times 3^4\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 160

約数和(自身を含む): 502072560

約数和(自身を除く): 340632432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 128, 138, 144, 162, 184, 192, 207, 216, 276, 288, 324, 368, 384, 414, 432, 552, 576, 621, 648, 677, 736, 828, 864, 1104, 1152, 1242, 1296, 1354, 1472, 1656, 1728, 1863, 2031, 2208, 2484, 2592, 2708, 2944, 3312, 3456, 3726, 4062, 4416, 4968, 5184, 5416, 6093, 6624, 7452, 8124, 8832, 9936, 10368, 10832, 12186, 13248, 14904, 15571, 16248, 18279, 19872, 21664, 24372, 26496, 29808, 31142, 32496, 36558, 39744, 43328, 46713, 48744, 54837, 59616, 62284, 64992, 73116, 79488, 86656, 93426, 97488, 109674, 119232, 124568, 129984, 140139, 146232, 186852, 194976, 219348, 238464, 249136, 259968, 280278, 292464, 373704, 389952, 420417, 438696, 498272, 560556, 584928, 747408, 779904, 840834, 877392, 996544, 1121112, 1169856, 1261251, 1494816, 1681668, 1754784, 1993088, 2242224, 2339712, 2522502, 2989632, 3363336, 3509568, 4484448, 5045004, 5979264, 6726672, 7019136, 8968896, 10090008, 13453344, 17937792, 20180016, 26906688, 40360032, 53813376, 80720064, 161440128]

約数ペア:

[(1, 161440128), (2, 80720064), (3, 53813376), (4, 40360032), (6, 26906688), (8, 20180016), (9, 17937792), (12, 13453344), (16, 10090008), (18, 8968896), (23, 7019136), (24, 6726672), (27, 5979264), (32, 5045004), (36, 4484448), (46, 3509568), (48, 3363336), (54, 2989632), (64, 2522502), (69, 2339712), (72, 2242224), (81, 1993088), (92, 1754784), (96, 1681668), (108, 1494816), (128, 1261251), (138, 1169856), (144, 1121112), (162, 996544), (184, 877392), (192, 840834), (207, 779904), (216, 747408), (276, 584928), (288, 560556), (324, 498272), (368, 438696), (384, 420417), (414, 389952), (432, 373704), (552, 292464), (576, 280278), (621, 259968), (648, 249136), (677, 238464), (736, 219348), (828, 194976), (864, 186852), (1104, 146232), (1152, 140139), (1242, 129984), (1296, 124568), (1354, 119232), (1472, 109674), (1656, 97488), (1728, 93426), (1863, 86656), (2031, 79488), (2208, 73116), (2484, 64992), (2592, 62284), (2708, 59616), (2944, 54837), (3312, 48744), (3456, 46713), (3726, 43328), (4062, 39744), (4416, 36558), (4968, 32496), (5184, 31142), (5416, 29808), (6093, 26496), (6624, 24372), (7452, 21664), (8124, 19872), (8832, 18279), (9936, 16248), (10368, 15571), (10832, 14904), (12186, 13248)]