878632020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{697327}}^1$

素因数の和:697349

約数の個数: 72

約数和(自身を含む): 3045928704

約数和(自身を除く): 2167296684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 697327, 1394654, 2091981, 2789308, 3486635, 4183962, 4881289, 6275943, 6973270, 8367924, 9762578, 10459905, 12551886, 13946540, 14643867, 19525156, 20919810, 24406445, 25103772, 29287734, 31379715, 41839620, 43931601, 48812890, 58575468, 62759430, 73219335, 87863202, 97625780, 125518860, 146438670, 175726404, 219658005, 292877340, 439316010, 878632020]

約数ペア:

[(1, 878632020), (2, 439316010), (3, 292877340), (4, 219658005), (5, 175726404), (6, 146438670), (7, 125518860), (9, 97625780), (10, 87863202), (12, 73219335), (14, 62759430), (15, 58575468), (18, 48812890), (20, 43931601), (21, 41839620), (28, 31379715), (30, 29287734), (35, 25103772), (36, 24406445), (42, 20919810), (45, 19525156), (60, 14643867), (63, 13946540), (70, 12551886), (84, 10459905), (90, 9762578), (105, 8367924), (126, 6973270), (140, 6275943), (180, 4881289), (210, 4183962), (252, 3486635), (315, 2789308), (420, 2091981), (630, 1394654), (1260, 697327)]