213251280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{80777}}^1$

素因数の和:80804

約数の個数: 80

約数和(自身を含む): 721185984

約数和(自身を除く): 507934704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 80777, 161554, 242331, 323108, 403885, 484662, 646216, 807770, 888547, 969324, 1211655, 1292432, 1615540, 1777094, 1938648, 2423310, 2665641, 3231080, 3554188, 3877296, 4442735, 4846620, 5331282, 6462160, 7108376, 8885470, 9693240, 10662564, 13328205, 14216752, 17770940, 19386480, 21325128, 26656410, 35541880, 42650256, 53312820, 71083760, 106625640, 213251280]

約数ペア:

[(1, 213251280), (2, 106625640), (3, 71083760), (4, 53312820), (5, 42650256), (6, 35541880), (8, 26656410), (10, 21325128), (11, 19386480), (12, 17770940), (15, 14216752), (16, 13328205), (20, 10662564), (22, 9693240), (24, 8885470), (30, 7108376), (33, 6462160), (40, 5331282), (44, 4846620), (48, 4442735), (55, 3877296), (60, 3554188), (66, 3231080), (80, 2665641), (88, 2423310), (110, 1938648), (120, 1777094), (132, 1615540), (165, 1292432), (176, 1211655), (220, 969324), (240, 888547), (264, 807770), (330, 646216), (440, 484662), (528, 403885), (660, 323108), (880, 242331), (1320, 161554), (2640, 80777)]