2152980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{443}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 6787872

約数和(自身を除く): 4634892

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, 243, 270, 324, 405, 443, 486, 540, 810, 886, 972, 1215, 1329, 1620, 1772, 2215, 2430, 2658, 3987, 4430, 4860, 5316, 6645, 7974, 8860, 11961, 13290, 15948, 19935, 23922, 26580, 35883, 39870, 47844, 59805, 71766, 79740, 107649, 119610, 143532, 179415, 215298, 239220, 358830, 430596, 538245, 717660, 1076490, 2152980]

約数ペア:

[(1, 2152980), (2, 1076490), (3, 717660), (4, 538245), (5, 430596), (6, 358830), (9, 239220), (10, 215298), (12, 179415), (15, 143532), (18, 119610), (20, 107649), (27, 79740), (30, 71766), (36, 59805), (45, 47844), (54, 39870), (60, 35883), (81, 26580), (90, 23922), (108, 19935), (135, 15948), (162, 13290), (180, 11961), (243, 8860), (270, 7974), (324, 6645), (405, 5316), (443, 4860), (486, 4430), (540, 3987), (810, 2658), (886, 2430), (972, 2215), (1215, 1772), (1329, 1620)]