213478740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{131777}}^1$

素因数の和:131798

約数の個数: 60

約数和(自身を含む): 669695796

約数和(自身を除く): 456217056

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 131777, 263554, 395331, 527108, 658885, 790662, 1185993, 1317770, 1581324, 1976655, 2371986, 2635540, 3557979, 3953310, 4743972, 5929965, 7115958, 7906620, 10673937, 11859930, 14231916, 17789895, 21347874, 23719860, 35579790, 42695748, 53369685, 71159580, 106739370, 213478740]

約数ペア:

[(1, 213478740), (2, 106739370), (3, 71159580), (4, 53369685), (5, 42695748), (6, 35579790), (9, 23719860), (10, 21347874), (12, 17789895), (15, 14231916), (18, 11859930), (20, 10673937), (27, 7906620), (30, 7115958), (36, 5929965), (45, 4743972), (54, 3953310), (60, 3557979), (81, 2635540), (90, 2371986), (108, 1976655), (135, 1581324), (162, 1317770), (180, 1185993), (270, 790662), (324, 658885), (405, 527108), (540, 395331), (810, 263554), (1620, 131777)]