161776710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 456192000

約数和(自身を除く): 294415290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 109, 115, 135, 138, 207, 218, 230, 239, 270, 327, 345, 414, 478, 545, 621, 654, 690, 717, 981, 1035, 1090, 1195, 1242, 1434, 1635, 1962, 2070, 2151, 2390, 2507, 2943, 3105, 3270, 3585, 4302, 4905, 5014, 5497, 5886, 6210, 6453, 7170, 7521, 9810, 10755, 10994, 12535, 12906, 14715, 15042, 16491, 21510, 22563, 25070, 26051, 27485, 29430, 32265, 32982, 37605, 45126, 49473, 52102, 54970, 64530, 67689, 75210, 78153, 82455, 98946, 112815, 130255, 135378, 148419, 156306, 164910, 225630, 234459, 247365, 260510, 296838, 338445, 390765, 468918, 494730, 599173, 676890, 703377, 742095, 781530, 1172295, 1198346, 1406754, 1484190, 1797519, 2344590, 2995865, 3516885, 3595038, 5392557, 5991730, 7033770, 8987595, 10785114, 16177671, 17975190, 26962785, 32355342, 53925570, 80888355, 161776710]

約数ペア:

[(1, 161776710), (2, 80888355), (3, 53925570), (5, 32355342), (6, 26962785), (9, 17975190), (10, 16177671), (15, 10785114), (18, 8987595), (23, 7033770), (27, 5991730), (30, 5392557), (45, 3595038), (46, 3516885), (54, 2995865), (69, 2344590), (90, 1797519), (109, 1484190), (115, 1406754), (135, 1198346), (138, 1172295), (207, 781530), (218, 742095), (230, 703377), (239, 676890), (270, 599173), (327, 494730), (345, 468918), (414, 390765), (478, 338445), (545, 296838), (621, 260510), (654, 247365), (690, 234459), (717, 225630), (981, 164910), (1035, 156306), (1090, 148419), (1195, 135378), (1242, 130255), (1434, 112815), (1635, 98946), (1962, 82455), (2070, 78153), (2151, 75210), (2390, 67689), (2507, 64530), (2943, 54970), (3105, 52102), (3270, 49473), (3585, 45126), (4302, 37605), (4905, 32982), (5014, 32265), (5497, 29430), (5886, 27485), (6210, 26051), (6453, 25070), (7170, 22563), (7521, 21510), (9810, 16491), (10755, 15042), (10994, 14715), (12535, 12906)]