1326667440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{789683}}^1$

素因数の和:789706

約数の個数: 80

約数和(自身を含む): 4700199168

約数和(自身を除く): 3373531728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 789683, 1579366, 2369049, 3158732, 3948415, 4738098, 5527781, 6317464, 7896830, 9476196, 11055562, 11845245, 12634928, 15793660, 16583343, 18952392, 22111124, 23690490, 27638905, 31587320, 33166686, 37904784, 44222248, 47380980, 55277810, 63174640, 66333372, 82916715, 88444496, 94761960, 110555620, 132666744, 165833430, 189523920, 221111240, 265333488, 331666860, 442222480, 663333720, 1326667440]

約数ペア:

[(1, 1326667440), (2, 663333720), (3, 442222480), (4, 331666860), (5, 265333488), (6, 221111240), (7, 189523920), (8, 165833430), (10, 132666744), (12, 110555620), (14, 94761960), (15, 88444496), (16, 82916715), (20, 66333372), (21, 63174640), (24, 55277810), (28, 47380980), (30, 44222248), (35, 37904784), (40, 33166686), (42, 31587320), (48, 27638905), (56, 23690490), (60, 22111124), (70, 18952392), (80, 16583343), (84, 15793660), (105, 12634928), (112, 11845245), (120, 11055562), (140, 9476196), (168, 7896830), (210, 6317464), (240, 5527781), (280, 4738098), (336, 3948415), (420, 3158732), (560, 2369049), (840, 1579366), (1680, 789683)]