65354640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20947}}^1$

素因数の和:20976

約数の個数: 80

約数和(自身を含む): 218194368

約数和(自身を除く): 152839728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 20947, 41894, 62841, 83788, 104735, 125682, 167576, 209470, 251364, 272311, 314205, 335152, 418940, 502728, 544622, 628410, 816933, 837880, 1005456, 1089244, 1256820, 1361555, 1633866, 1675760, 2178488, 2513640, 2723110, 3267732, 4084665, 4356976, 5027280, 5446220, 6535464, 8169330, 10892440, 13070928, 16338660, 21784880, 32677320, 65354640]

約数ペア:

[(1, 65354640), (2, 32677320), (3, 21784880), (4, 16338660), (5, 13070928), (6, 10892440), (8, 8169330), (10, 6535464), (12, 5446220), (13, 5027280), (15, 4356976), (16, 4084665), (20, 3267732), (24, 2723110), (26, 2513640), (30, 2178488), (39, 1675760), (40, 1633866), (48, 1361555), (52, 1256820), (60, 1089244), (65, 1005456), (78, 837880), (80, 816933), (104, 628410), (120, 544622), (130, 502728), (156, 418940), (195, 335152), (208, 314205), (240, 272311), (260, 251364), (312, 209470), (390, 167576), (520, 125682), (624, 104735), (780, 83788), (1040, 62841), (1560, 41894), (3120, 20947)]