320786388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22111}}^1$

素因数の和:22165

約数の個数: 72

約数和(自身を含む): 901462016

約数和(自身を除く): 580675628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 22111, 44222, 66333, 88444, 132666, 198999, 265332, 287443, 397998, 574886, 685441, 795996, 862329, 1149772, 1370882, 1724658, 2056323, 2586987, 2741764, 3449316, 4112646, 5173974, 6168969, 8225292, 8910733, 10347948, 12337938, 17821466, 24675876, 26732199, 35642932, 53464398, 80196597, 106928796, 160393194, 320786388]

約数ペア:

[(1, 320786388), (2, 160393194), (3, 106928796), (4, 80196597), (6, 53464398), (9, 35642932), (12, 26732199), (13, 24675876), (18, 17821466), (26, 12337938), (31, 10347948), (36, 8910733), (39, 8225292), (52, 6168969), (62, 5173974), (78, 4112646), (93, 3449316), (117, 2741764), (124, 2586987), (156, 2056323), (186, 1724658), (234, 1370882), (279, 1149772), (372, 862329), (403, 795996), (468, 685441), (558, 574886), (806, 397998), (1116, 287443), (1209, 265332), (1612, 198999), (2418, 132666), (3627, 88444), (4836, 66333), (7254, 44222), (14508, 22111)]