81930660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10267}}^1$

素因数の和:10305

約数の個数: 96

約数和(自身を含む): 276003840

約数和(自身を除く): 194073180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 10267, 20534, 30801, 41068, 51335, 61602, 71869, 102670, 123204, 143738, 154005, 195073, 205340, 215607, 287476, 308010, 359345, 390146, 431214, 585219, 616020, 718690, 780292, 862428, 975365, 1078035, 1170438, 1365511, 1437380, 1950730, 2156070, 2340876, 2731022, 2926095, 3901460, 4096533, 4312140, 5462044, 5852190, 6827555, 8193066, 11704380, 13655110, 16386132, 20482665, 27310220, 40965330, 81930660]

約数ペア:

[(1, 81930660), (2, 40965330), (3, 27310220), (4, 20482665), (5, 16386132), (6, 13655110), (7, 11704380), (10, 8193066), (12, 6827555), (14, 5852190), (15, 5462044), (19, 4312140), (20, 4096533), (21, 3901460), (28, 2926095), (30, 2731022), (35, 2340876), (38, 2156070), (42, 1950730), (57, 1437380), (60, 1365511), (70, 1170438), (76, 1078035), (84, 975365), (95, 862428), (105, 780292), (114, 718690), (133, 616020), (140, 585219), (190, 431214), (210, 390146), (228, 359345), (266, 308010), (285, 287476), (380, 215607), (399, 205340), (420, 195073), (532, 154005), (570, 143738), (665, 123204), (798, 102670), (1140, 71869), (1330, 61602), (1596, 51335), (1995, 41068), (2660, 30801), (3990, 20534), (7980, 10267)]