68939280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 180

約数和(自身を含む): 243362028

約数和(自身を除く): 174422748

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 181, 184, 207, 230, 240, 276, 345, 360, 362, 368, 414, 460, 529, 543, 552, 690, 720, 724, 828, 905, 920, 1035, 1058, 1086, 1104, 1380, 1448, 1587, 1629, 1656, 1810, 1840, 2070, 2116, 2172, 2645, 2715, 2760, 2896, 3174, 3258, 3312, 3620, 4140, 4163, 4232, 4344, 4761, 5290, 5430, 5520, 6348, 6516, 7240, 7935, 8145, 8280, 8326, 8464, 8688, 9522, 10580, 10860, 12489, 12696, 13032, 14480, 15870, 16290, 16560, 16652, 19044, 20815, 21160, 21720, 23805, 24978, 25392, 26064, 31740, 32580, 33304, 37467, 38088, 41630, 42320, 43440, 47610, 49956, 62445, 63480, 65160, 66608, 74934, 76176, 83260, 95220, 95749, 99912, 124890, 126960, 130320, 149868, 166520, 187335, 190440, 191498, 199824, 249780, 287247, 299736, 333040, 374670, 380880, 382996, 478745, 499560, 574494, 599472, 749340, 765992, 861741, 957490, 999120, 1148988, 1436235, 1498680, 1531984, 1723482, 1914980, 2297976, 2872470, 2997360, 3446964, 3829960, 4308705, 4595952, 5744940, 6893928, 7659920, 8617410, 11489880, 13787856, 17234820, 22979760, 34469640, 68939280]

約数ペア:

[(1, 68939280), (2, 34469640), (3, 22979760), (4, 17234820), (5, 13787856), (6, 11489880), (8, 8617410), (9, 7659920), (10, 6893928), (12, 5744940), (15, 4595952), (16, 4308705), (18, 3829960), (20, 3446964), (23, 2997360), (24, 2872470), (30, 2297976), (36, 1914980), (40, 1723482), (45, 1531984), (46, 1498680), (48, 1436235), (60, 1148988), (69, 999120), (72, 957490), (80, 861741), (90, 765992), (92, 749340), (115, 599472), (120, 574494), (138, 499560), (144, 478745), (180, 382996), (181, 380880), (184, 374670), (207, 333040), (230, 299736), (240, 287247), (276, 249780), (345, 199824), (360, 191498), (362, 190440), (368, 187335), (414, 166520), (460, 149868), (529, 130320), (543, 126960), (552, 124890), (690, 99912), (720, 95749), (724, 95220), (828, 83260), (905, 76176), (920, 74934), (1035, 66608), (1058, 65160), (1086, 63480), (1104, 62445), (1380, 49956), (1448, 47610), (1587, 43440), (1629, 42320), (1656, 41630), (1810, 38088), (1840, 37467), (2070, 33304), (2116, 32580), (2172, 31740), (2645, 26064), (2715, 25392), (2760, 24978), (2896, 23805), (3174, 21720), (3258, 21160), (3312, 20815), (3620, 19044), (4140, 16652), (4163, 16560), (4232, 16290), (4344, 15870), (4761, 14480), (5290, 13032), (5430, 12696), (5520, 12489), (6348, 10860), (6516, 10580), (7240, 9522), (7935, 8688), (8145, 8464), (8280, 8326)]