68671720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3221}}^1$

素因数の和:3286

約数の個数: 64

約数和(自身を含む): 170508240

約数和(自身を除く): 101836520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 3221, 4264, 5330, 6442, 10660, 12884, 16105, 21320, 25768, 32210, 41873, 64420, 83746, 128840, 132061, 167492, 209365, 264122, 334984, 418730, 528244, 660305, 837460, 1056488, 1320610, 1674920, 1716793, 2641220, 3433586, 5282440, 6867172, 8583965, 13734344, 17167930, 34335860, 68671720]

約数ペア:

[(1, 68671720), (2, 34335860), (4, 17167930), (5, 13734344), (8, 8583965), (10, 6867172), (13, 5282440), (20, 3433586), (26, 2641220), (40, 1716793), (41, 1674920), (52, 1320610), (65, 1056488), (82, 837460), (104, 660305), (130, 528244), (164, 418730), (205, 334984), (260, 264122), (328, 209365), (410, 167492), (520, 132061), (533, 128840), (820, 83746), (1066, 64420), (1640, 41873), (2132, 32210), (2665, 25768), (3221, 21320), (4264, 16105), (5330, 12884), (6442, 10660)]