31839990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 95800320

約数和(自身を除く): 63960330

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 107, 109, 130, 182, 195, 210, 214, 218, 273, 321, 327, 390, 455, 535, 545, 546, 642, 654, 749, 763, 910, 1070, 1090, 1365, 1391, 1417, 1498, 1526, 1605, 1635, 2247, 2289, 2730, 2782, 2834, 3210, 3270, 3745, 3815, 4173, 4251, 4494, 4578, 6955, 7085, 7490, 7630, 8346, 8502, 9737, 9919, 11235, 11445, 11663, 13910, 14170, 19474, 19838, 20865, 21255, 22470, 22890, 23326, 29211, 29757, 34989, 41730, 42510, 48685, 49595, 58315, 58422, 59514, 69978, 81641, 97370, 99190, 116630, 146055, 148785, 151619, 163282, 174945, 244923, 292110, 297570, 303238, 349890, 408205, 454857, 489846, 758095, 816410, 909714, 1061333, 1224615, 1516190, 2122666, 2274285, 2449230, 3183999, 4548570, 5306665, 6367998, 10613330, 15919995, 31839990]

約数ペア:

[(1, 31839990), (2, 15919995), (3, 10613330), (5, 6367998), (6, 5306665), (7, 4548570), (10, 3183999), (13, 2449230), (14, 2274285), (15, 2122666), (21, 1516190), (26, 1224615), (30, 1061333), (35, 909714), (39, 816410), (42, 758095), (65, 489846), (70, 454857), (78, 408205), (91, 349890), (105, 303238), (107, 297570), (109, 292110), (130, 244923), (182, 174945), (195, 163282), (210, 151619), (214, 148785), (218, 146055), (273, 116630), (321, 99190), (327, 97370), (390, 81641), (455, 69978), (535, 59514), (545, 58422), (546, 58315), (642, 49595), (654, 48685), (749, 42510), (763, 41730), (910, 34989), (1070, 29757), (1090, 29211), (1365, 23326), (1391, 22890), (1417, 22470), (1498, 21255), (1526, 20865), (1605, 19838), (1635, 19474), (2247, 14170), (2289, 13910), (2730, 11663), (2782, 11445), (2834, 11235), (3210, 9919), (3270, 9737), (3745, 8502), (3815, 8346), (4173, 7630), (4251, 7490), (4494, 7085), (4578, 6955)]