68291860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 178375680

約数和(自身を除く): 110083820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 157, 182, 239, 260, 314, 364, 455, 478, 628, 785, 910, 956, 1099, 1195, 1570, 1673, 1820, 2041, 2198, 2390, 3107, 3140, 3346, 4082, 4396, 4780, 5495, 6214, 6692, 8164, 8365, 10205, 10990, 12428, 14287, 15535, 16730, 20410, 21749, 21980, 28574, 31070, 33460, 37523, 40820, 43498, 57148, 62140, 71435, 75046, 86996, 108745, 142870, 150092, 187615, 217490, 262661, 285740, 375230, 434980, 487799, 525322, 750460, 975598, 1050644, 1313305, 1951196, 2438995, 2626610, 3414593, 4877990, 5253220, 6829186, 9755980, 13658372, 17072965, 34145930, 68291860]

約数ペア:

[(1, 68291860), (2, 34145930), (4, 17072965), (5, 13658372), (7, 9755980), (10, 6829186), (13, 5253220), (14, 4877990), (20, 3414593), (26, 2626610), (28, 2438995), (35, 1951196), (52, 1313305), (65, 1050644), (70, 975598), (91, 750460), (130, 525322), (140, 487799), (157, 434980), (182, 375230), (239, 285740), (260, 262661), (314, 217490), (364, 187615), (455, 150092), (478, 142870), (628, 108745), (785, 86996), (910, 75046), (956, 71435), (1099, 62140), (1195, 57148), (1570, 43498), (1673, 40820), (1820, 37523), (2041, 33460), (2198, 31070), (2390, 28574), (3107, 21980), (3140, 21749), (3346, 20410), (4082, 16730), (4396, 15535), (4780, 14287), (5495, 12428), (6214, 10990), (6692, 10205), (8164, 8365)]