8219640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 29030400

約数和(自身を除く): 20810760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 479, 520, 572, 660, 715, 780, 858, 958, 1144, 1320, 1430, 1437, 1560, 1716, 1916, 2145, 2395, 2860, 2874, 3432, 3832, 4290, 4790, 5269, 5720, 5748, 6227, 7185, 8580, 9580, 10538, 11496, 12454, 14370, 15807, 17160, 18681, 19160, 21076, 24908, 26345, 28740, 31135, 31614, 37362, 42152, 49816, 52690, 57480, 62270, 63228, 68497, 74724, 79035, 93405, 105380, 124540, 126456, 136994, 149448, 158070, 186810, 205491, 210760, 249080, 273988, 316140, 342485, 373620, 410982, 547976, 632280, 684970, 747240, 821964, 1027455, 1369940, 1643928, 2054910, 2739880, 4109820, 8219640]

約数ペア:

[(1, 8219640), (2, 4109820), (3, 2739880), (4, 2054910), (5, 1643928), (6, 1369940), (8, 1027455), (10, 821964), (11, 747240), (12, 684970), (13, 632280), (15, 547976), (20, 410982), (22, 373620), (24, 342485), (26, 316140), (30, 273988), (33, 249080), (39, 210760), (40, 205491), (44, 186810), (52, 158070), (55, 149448), (60, 136994), (65, 126456), (66, 124540), (78, 105380), (88, 93405), (104, 79035), (110, 74724), (120, 68497), (130, 63228), (132, 62270), (143, 57480), (156, 52690), (165, 49816), (195, 42152), (220, 37362), (260, 31614), (264, 31135), (286, 28740), (312, 26345), (330, 24908), (390, 21076), (429, 19160), (440, 18681), (479, 17160), (520, 15807), (572, 14370), (660, 12454), (715, 11496), (780, 10538), (858, 9580), (958, 8580), (1144, 7185), (1320, 6227), (1430, 5748), (1437, 5720), (1560, 5269), (1716, 4790), (1916, 4290), (2145, 3832), (2395, 3432), (2860, 2874)]