321304880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1361}}^1$

素因数の和:1614

約数の個数: 80

約数和(自身を含む): 808635744

約数和(自身を除く): 487330864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 227, 260, 454, 520, 908, 1040, 1135, 1361, 1816, 2270, 2722, 2951, 3632, 4540, 5444, 5902, 6805, 9080, 10888, 11804, 13610, 14755, 17693, 18160, 21776, 23608, 27220, 29510, 35386, 47216, 54440, 59020, 70772, 88465, 108880, 118040, 141544, 176930, 236080, 283088, 308947, 353860, 617894, 707720, 1235788, 1415440, 1544735, 2471576, 3089470, 4016311, 4943152, 6178940, 8032622, 12357880, 16065244, 20081555, 24715760, 32130488, 40163110, 64260976, 80326220, 160652440, 321304880]

約数ペア:

[(1, 321304880), (2, 160652440), (4, 80326220), (5, 64260976), (8, 40163110), (10, 32130488), (13, 24715760), (16, 20081555), (20, 16065244), (26, 12357880), (40, 8032622), (52, 6178940), (65, 4943152), (80, 4016311), (104, 3089470), (130, 2471576), (208, 1544735), (227, 1415440), (260, 1235788), (454, 707720), (520, 617894), (908, 353860), (1040, 308947), (1135, 283088), (1361, 236080), (1816, 176930), (2270, 141544), (2722, 118040), (2951, 108880), (3632, 88465), (4540, 70772), (5444, 59020), (5902, 54440), (6805, 47216), (9080, 35386), (10888, 29510), (11804, 27220), (13610, 23608), (14755, 21776), (17693, 18160)]