663670280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4447}}^1$

素因数の和:4519

約数の個数: 128

約数和(自身を含む): 1883105280

約数和(自身を除く): 1219435000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1640, 1820, 2132, 2296, 2665, 2870, 3640, 3731, 4264, 4447, 5330, 5740, 7462, 8894, 10660, 11480, 14924, 17788, 18655, 21320, 22235, 29848, 31129, 35576, 37310, 44470, 57811, 62258, 74620, 88940, 115622, 124516, 149240, 155645, 177880, 182327, 231244, 249032, 289055, 311290, 364654, 404677, 462488, 578110, 622580, 729308, 809354, 911635, 1156220, 1245160, 1276289, 1458616, 1618708, 1823270, 2023385, 2312440, 2370251, 2552578, 3237416, 3646540, 4046770, 4740502, 5105156, 6381445, 7293080, 8093540, 9481004, 10210312, 11851255, 12762890, 16187080, 16591757, 18962008, 23702510, 25525780, 33183514, 47405020, 51051560, 66367028, 82958785, 94810040, 132734056, 165917570, 331835140, 663670280]

約数ペア:

[(1, 663670280), (2, 331835140), (4, 165917570), (5, 132734056), (7, 94810040), (8, 82958785), (10, 66367028), (13, 51051560), (14, 47405020), (20, 33183514), (26, 25525780), (28, 23702510), (35, 18962008), (40, 16591757), (41, 16187080), (52, 12762890), (56, 11851255), (65, 10210312), (70, 9481004), (82, 8093540), (91, 7293080), (104, 6381445), (130, 5105156), (140, 4740502), (164, 4046770), (182, 3646540), (205, 3237416), (260, 2552578), (280, 2370251), (287, 2312440), (328, 2023385), (364, 1823270), (410, 1618708), (455, 1458616), (520, 1276289), (533, 1245160), (574, 1156220), (728, 911635), (820, 809354), (910, 729308), (1066, 622580), (1148, 578110), (1435, 462488), (1640, 404677), (1820, 364654), (2132, 311290), (2296, 289055), (2665, 249032), (2870, 231244), (3640, 182327), (3731, 177880), (4264, 155645), (4447, 149240), (5330, 124516), (5740, 115622), (7462, 88940), (8894, 74620), (10660, 62258), (11480, 57811), (14924, 44470), (17788, 37310), (18655, 35576), (21320, 31129), (22235, 29848)]