28667760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10859}}^1$

素因数の和:10886

約数の個数: 80

約数和(自身を含む): 96958080

約数和(自身を除く): 68290320

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, 10859, 21718, 32577, 43436, 54295, 65154, 86872, 108590, 119449, 130308, 162885, 173744, 217180, 238898, 260616, 325770, 358347, 434360, 477796, 521232, 597245, 651540, 716694, 868720, 955592, 1194490, 1303080, 1433388, 1791735, 1911184, 2388980, 2606160, 2866776, 3583470, 4777960, 5733552, 7166940, 9555920, 14333880, 28667760]

約数ペア:

[(1, 28667760), (2, 14333880), (3, 9555920), (4, 7166940), (5, 5733552), (6, 4777960), (8, 3583470), (10, 2866776), (11, 2606160), (12, 2388980), (15, 1911184), (16, 1791735), (20, 1433388), (22, 1303080), (24, 1194490), (30, 955592), (33, 868720), (40, 716694), (44, 651540), (48, 597245), (55, 521232), (60, 477796), (66, 434360), (80, 358347), (88, 325770), (110, 260616), (120, 238898), (132, 217180), (165, 173744), (176, 162885), (220, 130308), (240, 119449), (264, 108590), (330, 86872), (440, 65154), (528, 54295), (660, 43436), (880, 32577), (1320, 21718), (2640, 10859)]