76986520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 200672640

約数和(自身を除く): 123686120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 65, 82, 92, 104, 115, 130, 157, 164, 184, 205, 230, 260, 299, 314, 328, 410, 460, 520, 533, 598, 628, 785, 820, 920, 943, 1066, 1196, 1256, 1495, 1570, 1640, 1886, 2041, 2132, 2392, 2665, 2990, 3140, 3611, 3772, 4082, 4264, 4715, 5330, 5980, 6280, 6437, 7222, 7544, 8164, 9430, 10205, 10660, 11960, 12259, 12874, 14444, 16328, 18055, 18860, 20410, 21320, 24518, 25748, 28888, 32185, 36110, 37720, 40820, 46943, 49036, 51496, 61295, 64370, 72220, 81640, 83681, 93886, 98072, 122590, 128740, 144440, 148051, 167362, 187772, 234715, 245180, 257480, 296102, 334724, 375544, 418405, 469430, 490360, 592204, 669448, 740255, 836810, 938860, 1184408, 1480510, 1673620, 1877720, 1924663, 2961020, 3347240, 3849326, 5922040, 7698652, 9623315, 15397304, 19246630, 38493260, 76986520]

約数ペア:

[(1, 76986520), (2, 38493260), (4, 19246630), (5, 15397304), (8, 9623315), (10, 7698652), (13, 5922040), (20, 3849326), (23, 3347240), (26, 2961020), (40, 1924663), (41, 1877720), (46, 1673620), (52, 1480510), (65, 1184408), (82, 938860), (92, 836810), (104, 740255), (115, 669448), (130, 592204), (157, 490360), (164, 469430), (184, 418405), (205, 375544), (230, 334724), (260, 296102), (299, 257480), (314, 245180), (328, 234715), (410, 187772), (460, 167362), (520, 148051), (533, 144440), (598, 128740), (628, 122590), (785, 98072), (820, 93886), (920, 83681), (943, 81640), (1066, 72220), (1196, 64370), (1256, 61295), (1495, 51496), (1570, 49036), (1640, 46943), (1886, 40820), (2041, 37720), (2132, 36110), (2392, 32185), (2665, 28888), (2990, 25748), (3140, 24518), (3611, 21320), (3772, 20410), (4082, 18860), (4264, 18055), (4715, 16328), (5330, 14444), (5980, 12874), (6280, 12259), (6437, 11960), (7222, 10660), (7544, 10205), (8164, 9430)]