2786580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 8589672

約数和(自身を除く): 5803092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 137, 180, 226, 274, 339, 411, 452, 548, 565, 678, 685, 822, 1017, 1130, 1233, 1356, 1370, 1644, 1695, 2034, 2055, 2260, 2466, 2740, 3390, 4068, 4110, 4932, 5085, 6165, 6780, 8220, 10170, 12330, 15481, 20340, 24660, 30962, 46443, 61924, 77405, 92886, 139329, 154810, 185772, 232215, 278658, 309620, 464430, 557316, 696645, 928860, 1393290, 2786580]

約数ペア:

[(1, 2786580), (2, 1393290), (3, 928860), (4, 696645), (5, 557316), (6, 464430), (9, 309620), (10, 278658), (12, 232215), (15, 185772), (18, 154810), (20, 139329), (30, 92886), (36, 77405), (45, 61924), (60, 46443), (90, 30962), (113, 24660), (137, 20340), (180, 15481), (226, 12330), (274, 10170), (339, 8220), (411, 6780), (452, 6165), (548, 5085), (565, 4932), (678, 4110), (685, 4068), (822, 3390), (1017, 2740), (1130, 2466), (1233, 2260), (1356, 2055), (1370, 2034), (1644, 1695)]