78640884

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:542

約数の個数: 108

約数和(自身を含む): 233933700

約数和(自身を除く): 155292816

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 109, 126, 147, 196, 218, 252, 294, 327, 409, 436, 441, 588, 654, 763, 818, 882, 981, 1227, 1308, 1526, 1636, 1764, 1962, 2289, 2454, 2863, 3052, 3681, 3924, 4578, 4908, 5341, 5726, 6867, 7362, 8589, 9156, 10682, 11452, 13734, 14724, 16023, 17178, 20041, 21364, 25767, 27468, 32046, 34356, 40082, 44581, 48069, 51534, 60123, 64092, 80164, 89162, 96138, 103068, 120246, 133743, 178324, 180369, 192276, 240492, 267486, 312067, 360738, 401229, 534972, 624134, 721476, 802458, 936201, 1248268, 1604916, 1872402, 2184469, 2808603, 3744804, 4368938, 5617206, 6553407, 8737876, 11234412, 13106814, 19660221, 26213628, 39320442, 78640884]

約数ペア:

[(1, 78640884), (2, 39320442), (3, 26213628), (4, 19660221), (6, 13106814), (7, 11234412), (9, 8737876), (12, 6553407), (14, 5617206), (18, 4368938), (21, 3744804), (28, 2808603), (36, 2184469), (42, 1872402), (49, 1604916), (63, 1248268), (84, 936201), (98, 802458), (109, 721476), (126, 624134), (147, 534972), (196, 401229), (218, 360738), (252, 312067), (294, 267486), (327, 240492), (409, 192276), (436, 180369), (441, 178324), (588, 133743), (654, 120246), (763, 103068), (818, 96138), (882, 89162), (981, 80164), (1227, 64092), (1308, 60123), (1526, 51534), (1636, 48069), (1764, 44581), (1962, 40082), (2289, 34356), (2454, 32046), (2863, 27468), (3052, 25767), (3681, 21364), (3924, 20041), (4578, 17178), (4908, 16023), (5341, 14724), (5726, 13734), (6867, 11452), (7362, 10682), (8589, 9156)]