690818520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1283}}^1$

素因数の和:1945

約数の個数: 128

約数和(自身を含む): 2374064640

約数和(自身を除く): 1683246120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 641, 840, 1282, 1283, 1923, 2564, 2566, 3205, 3846, 3849, 4487, 5128, 5132, 6410, 6415, 7692, 7698, 8974, 8981, 9615, 10264, 12820, 12830, 13461, 15384, 15396, 17948, 17962, 19230, 19245, 22435, 25640, 25660, 26922, 26943, 30792, 35896, 35924, 38460, 38490, 44870, 44905, 51320, 53844, 53886, 67305, 71848, 76920, 76980, 89740, 89810, 107688, 107772, 134610, 134715, 153960, 179480, 179620, 215544, 269220, 269430, 359240, 538440, 538860, 822403, 1077720, 1644806, 2467209, 3289612, 4112015, 4934418, 5756821, 6579224, 8224030, 9868836, 11513642, 12336045, 16448060, 17270463, 19737672, 23027284, 24672090, 28784105, 32896120, 34540926, 46054568, 49344180, 57568210, 69081852, 86352315, 98688360, 115136420, 138163704, 172704630, 230272840, 345409260, 690818520]

約数ペア:

[(1, 690818520), (2, 345409260), (3, 230272840), (4, 172704630), (5, 138163704), (6, 115136420), (7, 98688360), (8, 86352315), (10, 69081852), (12, 57568210), (14, 49344180), (15, 46054568), (20, 34540926), (21, 32896120), (24, 28784105), (28, 24672090), (30, 23027284), (35, 19737672), (40, 17270463), (42, 16448060), (56, 12336045), (60, 11513642), (70, 9868836), (84, 8224030), (105, 6579224), (120, 5756821), (140, 4934418), (168, 4112015), (210, 3289612), (280, 2467209), (420, 1644806), (641, 1077720), (840, 822403), (1282, 538860), (1283, 538440), (1923, 359240), (2564, 269430), (2566, 269220), (3205, 215544), (3846, 179620), (3849, 179480), (4487, 153960), (5128, 134715), (5132, 134610), (6410, 107772), (6415, 107688), (7692, 89810), (7698, 89740), (8974, 76980), (8981, 76920), (9615, 71848), (10264, 67305), (12820, 53886), (12830, 53844), (13461, 51320), (15384, 44905), (15396, 44870), (17948, 38490), (17962, 38460), (19230, 35924), (19245, 35896), (22435, 30792), (25640, 26943), (25660, 26922)]