217378720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2618

約数の個数: 96

約数和(自身を含む): 566773200

約数和(自身を除く): 349394480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 328, 410, 416, 520, 533, 656, 820, 1040, 1066, 1312, 1640, 2080, 2132, 2549, 2665, 3280, 4264, 5098, 5330, 6560, 8528, 10196, 10660, 12745, 17056, 20392, 21320, 25490, 33137, 40784, 42640, 50980, 66274, 81568, 85280, 101960, 104509, 132548, 165685, 203920, 209018, 265096, 331370, 407840, 418036, 522545, 530192, 662740, 836072, 1045090, 1060384, 1325480, 1358617, 1672144, 2090180, 2650960, 2717234, 3344288, 4180360, 5301920, 5434468, 6793085, 8360720, 10868936, 13586170, 16721440, 21737872, 27172340, 43475744, 54344680, 108689360, 217378720]

約数ペア:

[(1, 217378720), (2, 108689360), (4, 54344680), (5, 43475744), (8, 27172340), (10, 21737872), (13, 16721440), (16, 13586170), (20, 10868936), (26, 8360720), (32, 6793085), (40, 5434468), (41, 5301920), (52, 4180360), (65, 3344288), (80, 2717234), (82, 2650960), (104, 2090180), (130, 1672144), (160, 1358617), (164, 1325480), (205, 1060384), (208, 1045090), (260, 836072), (328, 662740), (410, 530192), (416, 522545), (520, 418036), (533, 407840), (656, 331370), (820, 265096), (1040, 209018), (1066, 203920), (1312, 165685), (1640, 132548), (2080, 104509), (2132, 101960), (2549, 85280), (2665, 81568), (3280, 66274), (4264, 50980), (5098, 42640), (5330, 40784), (6560, 33137), (8528, 25490), (10196, 21320), (10660, 20392), (12745, 17056)]