990854640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{458729}}^1$

素因数の和:458751

約数の個数: 80

約数和(自身を含む): 3412951200

約数和(自身を除く): 2422096560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 458729, 917458, 1376187, 1834916, 2293645, 2752374, 3669832, 4128561, 4587290, 5504748, 6880935, 7339664, 8257122, 9174580, 11009496, 12385683, 13761870, 16514244, 18349160, 20642805, 22018992, 24771366, 27523740, 33028488, 36698320, 41285610, 49542732, 55047480, 61928415, 66056976, 82571220, 99085464, 110094960, 123856830, 165142440, 198170928, 247713660, 330284880, 495427320, 990854640]

約数ペア:

[(1, 990854640), (2, 495427320), (3, 330284880), (4, 247713660), (5, 198170928), (6, 165142440), (8, 123856830), (9, 110094960), (10, 99085464), (12, 82571220), (15, 66056976), (16, 61928415), (18, 55047480), (20, 49542732), (24, 41285610), (27, 36698320), (30, 33028488), (36, 27523740), (40, 24771366), (45, 22018992), (48, 20642805), (54, 18349160), (60, 16514244), (72, 13761870), (80, 12385683), (90, 11009496), (108, 9174580), (120, 8257122), (135, 7339664), (144, 6880935), (180, 5504748), (216, 4587290), (240, 4128561), (270, 3669832), (360, 2752374), (432, 2293645), (540, 1834916), (720, 1376187), (1080, 917458), (2160, 458729)]