161257968

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 475282080

約数和(自身を除く): 314024112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 181, 184, 207, 269, 276, 362, 368, 414, 538, 543, 552, 724, 807, 828, 1076, 1086, 1104, 1448, 1614, 1629, 1656, 2152, 2172, 2421, 2896, 3228, 3258, 3312, 4163, 4304, 4344, 4842, 6187, 6456, 6516, 8326, 8688, 9684, 12374, 12489, 12912, 13032, 16652, 18561, 19368, 24748, 24978, 26064, 33304, 37122, 37467, 38736, 48689, 49496, 49956, 55683, 66608, 74244, 74934, 97378, 98992, 99912, 111366, 146067, 148488, 149868, 194756, 199824, 222732, 292134, 296976, 299736, 389512, 438201, 445464, 584268, 599472, 779024, 876402, 890928, 1119847, 1168536, 1752804, 2239694, 2337072, 3359541, 3505608, 4479388, 6719082, 7011216, 8958776, 10078623, 13438164, 17917552, 20157246, 26876328, 40314492, 53752656, 80628984, 161257968]

約数ペア:

[(1, 161257968), (2, 80628984), (3, 53752656), (4, 40314492), (6, 26876328), (8, 20157246), (9, 17917552), (12, 13438164), (16, 10078623), (18, 8958776), (23, 7011216), (24, 6719082), (36, 4479388), (46, 3505608), (48, 3359541), (69, 2337072), (72, 2239694), (92, 1752804), (138, 1168536), (144, 1119847), (181, 890928), (184, 876402), (207, 779024), (269, 599472), (276, 584268), (362, 445464), (368, 438201), (414, 389512), (538, 299736), (543, 296976), (552, 292134), (724, 222732), (807, 199824), (828, 194756), (1076, 149868), (1086, 148488), (1104, 146067), (1448, 111366), (1614, 99912), (1629, 98992), (1656, 97378), (2152, 74934), (2172, 74244), (2421, 66608), (2896, 55683), (3228, 49956), (3258, 49496), (3312, 48689), (4163, 38736), (4304, 37467), (4344, 37122), (4842, 33304), (6187, 26064), (6456, 24978), (6516, 24748), (8326, 19368), (8688, 18561), (9684, 16652), (12374, 13032), (12489, 12912)]