66898720

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 195955200

約数和(自身を除く): 129056480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 53, 56, 70, 80, 92, 98, 106, 112, 115, 140, 160, 161, 184, 196, 212, 224, 230, 245, 265, 280, 322, 343, 368, 371, 392, 424, 460, 490, 530, 560, 644, 686, 736, 742, 784, 805, 848, 920, 980, 1060, 1120, 1127, 1219, 1288, 1372, 1484, 1568, 1610, 1696, 1715, 1840, 1855, 1960, 2120, 2254, 2438, 2576, 2597, 2744, 2968, 3220, 3430, 3680, 3710, 3920, 4240, 4508, 4876, 5152, 5194, 5488, 5635, 5936, 6095, 6440, 6860, 7420, 7840, 7889, 8480, 8533, 9016, 9752, 10388, 10976, 11270, 11872, 12190, 12880, 12985, 13720, 14840, 15778, 17066, 18032, 18179, 19504, 20776, 22540, 24380, 25760, 25970, 27440, 29680, 31556, 34132, 36064, 36358, 39008, 39445, 41552, 42665, 45080, 48760, 51940, 54880, 59360, 59731, 63112, 68264, 72716, 78890, 83104, 85330, 90160, 90895, 97520, 103880, 119462, 126224, 136528, 145432, 157780, 170660, 180320, 181790, 195040, 207760, 238924, 252448, 273056, 290864, 298655, 315560, 341320, 363580, 415520, 418117, 477848, 581728, 597310, 631120, 682640, 727160, 836234, 955696, 1194620, 1262240, 1365280, 1454320, 1672468, 1911392, 2090585, 2389240, 2908640, 3344936, 4181170, 4778480, 6689872, 8362340, 9556960, 13379744, 16724680, 33449360, 66898720]

約数ペア:

[(1, 66898720), (2, 33449360), (4, 16724680), (5, 13379744), (7, 9556960), (8, 8362340), (10, 6689872), (14, 4778480), (16, 4181170), (20, 3344936), (23, 2908640), (28, 2389240), (32, 2090585), (35, 1911392), (40, 1672468), (46, 1454320), (49, 1365280), (53, 1262240), (56, 1194620), (70, 955696), (80, 836234), (92, 727160), (98, 682640), (106, 631120), (112, 597310), (115, 581728), (140, 477848), (160, 418117), (161, 415520), (184, 363580), (196, 341320), (212, 315560), (224, 298655), (230, 290864), (245, 273056), (265, 252448), (280, 238924), (322, 207760), (343, 195040), (368, 181790), (371, 180320), (392, 170660), (424, 157780), (460, 145432), (490, 136528), (530, 126224), (560, 119462), (644, 103880), (686, 97520), (736, 90895), (742, 90160), (784, 85330), (805, 83104), (848, 78890), (920, 72716), (980, 68264), (1060, 63112), (1120, 59731), (1127, 59360), (1219, 54880), (1288, 51940), (1372, 48760), (1484, 45080), (1568, 42665), (1610, 41552), (1696, 39445), (1715, 39008), (1840, 36358), (1855, 36064), (1960, 34132), (2120, 31556), (2254, 29680), (2438, 27440), (2576, 25970), (2597, 25760), (2744, 24380), (2968, 22540), (3220, 20776), (3430, 19504), (3680, 18179), (3710, 18032), (3920, 17066), (4240, 15778), (4508, 14840), (4876, 13720), (5152, 12985), (5194, 12880), (5488, 12190), (5635, 11872), (5936, 11270), (6095, 10976), (6440, 10388), (6860, 9752), (7420, 9016), (7840, 8533), (7889, 8480)]