210820140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{40387}}^1$

素因数の和:40431

約数の個数: 72

約数和(自身を含む): 661555440

約数和(自身を除く): 450735300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 40387, 80774, 121161, 161548, 201935, 242322, 363483, 403870, 484644, 605805, 726966, 807740, 1171223, 1211610, 1453932, 1817415, 2342446, 2423220, 3513669, 3634830, 4684892, 5856115, 7027338, 7269660, 10541007, 11712230, 14054676, 17568345, 21082014, 23424460, 35136690, 42164028, 52705035, 70273380, 105410070, 210820140]

約数ペア:

[(1, 210820140), (2, 105410070), (3, 70273380), (4, 52705035), (5, 42164028), (6, 35136690), (9, 23424460), (10, 21082014), (12, 17568345), (15, 14054676), (18, 11712230), (20, 10541007), (29, 7269660), (30, 7027338), (36, 5856115), (45, 4684892), (58, 3634830), (60, 3513669), (87, 2423220), (90, 2342446), (116, 1817415), (145, 1453932), (174, 1211610), (180, 1171223), (261, 807740), (290, 726966), (348, 605805), (435, 484644), (522, 403870), (580, 363483), (870, 242322), (1044, 201935), (1305, 161548), (1740, 121161), (2610, 80774), (5220, 40387)]