81509610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 244661760

約数和(自身を除く): 163152150

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 73, 78, 91, 105, 130, 146, 182, 195, 210, 219, 273, 365, 390, 409, 438, 455, 511, 546, 730, 818, 910, 949, 1022, 1095, 1227, 1365, 1533, 1898, 2045, 2190, 2454, 2555, 2730, 2847, 2863, 3066, 4090, 4745, 5110, 5317, 5694, 5726, 6135, 6643, 7665, 8589, 9490, 10634, 12270, 13286, 14235, 14315, 15330, 15951, 17178, 19929, 26585, 28470, 28630, 29857, 31902, 33215, 37219, 39858, 42945, 53170, 59714, 66430, 74438, 79755, 85890, 89571, 99645, 111657, 149285, 159510, 179142, 186095, 199290, 208999, 223314, 298570, 372190, 388141, 417998, 447855, 558285, 626997, 776282, 895710, 1044995, 1116570, 1164423, 1253994, 1940705, 2089990, 2328846, 2716987, 3134985, 3881410, 5433974, 5822115, 6269970, 8150961, 11644230, 13584935, 16301922, 27169870, 40754805, 81509610]

約数ペア:

[(1, 81509610), (2, 40754805), (3, 27169870), (5, 16301922), (6, 13584935), (7, 11644230), (10, 8150961), (13, 6269970), (14, 5822115), (15, 5433974), (21, 3881410), (26, 3134985), (30, 2716987), (35, 2328846), (39, 2089990), (42, 1940705), (65, 1253994), (70, 1164423), (73, 1116570), (78, 1044995), (91, 895710), (105, 776282), (130, 626997), (146, 558285), (182, 447855), (195, 417998), (210, 388141), (219, 372190), (273, 298570), (365, 223314), (390, 208999), (409, 199290), (438, 186095), (455, 179142), (511, 159510), (546, 149285), (730, 111657), (818, 99645), (910, 89571), (949, 85890), (1022, 79755), (1095, 74438), (1227, 66430), (1365, 59714), (1533, 53170), (1898, 42945), (2045, 39858), (2190, 37219), (2454, 33215), (2555, 31902), (2730, 29857), (2847, 28630), (2863, 28470), (3066, 26585), (4090, 19929), (4745, 17178), (5110, 15951), (5317, 15330), (5694, 14315), (5726, 14235), (6135, 13286), (6643, 12270), (7665, 10634), (8589, 9490)]