619740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 2057328

約数和(自身を除く): 1437588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 313, 330, 396, 495, 626, 660, 939, 990, 1252, 1565, 1878, 1980, 2817, 3130, 3443, 3756, 4695, 5634, 6260, 6886, 9390, 10329, 11268, 13772, 14085, 17215, 18780, 20658, 28170, 30987, 34430, 41316, 51645, 56340, 61974, 68860, 103290, 123948, 154935, 206580, 309870, 619740]

約数ペア:

[(1, 619740), (2, 309870), (3, 206580), (4, 154935), (5, 123948), (6, 103290), (9, 68860), (10, 61974), (11, 56340), (12, 51645), (15, 41316), (18, 34430), (20, 30987), (22, 28170), (30, 20658), (33, 18780), (36, 17215), (44, 14085), (45, 13772), (55, 11268), (60, 10329), (66, 9390), (90, 6886), (99, 6260), (110, 5634), (132, 4695), (165, 3756), (180, 3443), (198, 3130), (220, 2817), (313, 1980), (330, 1878), (396, 1565), (495, 1252), (626, 990), (660, 939)]