82801680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26539}}^1$

素因数の和:26568

約数の個数: 80

約数和(自身を含む): 276440640

約数和(自身を除く): 193638960

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, 26539, 53078, 79617, 106156, 132695, 159234, 212312, 265390, 318468, 345007, 398085, 424624, 530780, 636936, 690014, 796170, 1035021, 1061560, 1273872, 1380028, 1592340, 1725035, 2070042, 2123120, 2760056, 3184680, 3450070, 4140084, 5175105, 5520112, 6369360, 6900140, 8280168, 10350210, 13800280, 16560336, 20700420, 27600560, 41400840, 82801680]

約数ペア:

[(1, 82801680), (2, 41400840), (3, 27600560), (4, 20700420), (5, 16560336), (6, 13800280), (8, 10350210), (10, 8280168), (12, 6900140), (13, 6369360), (15, 5520112), (16, 5175105), (20, 4140084), (24, 3450070), (26, 3184680), (30, 2760056), (39, 2123120), (40, 2070042), (48, 1725035), (52, 1592340), (60, 1380028), (65, 1273872), (78, 1061560), (80, 1035021), (104, 796170), (120, 690014), (130, 636936), (156, 530780), (195, 424624), (208, 398085), (240, 345007), (260, 318468), (312, 265390), (390, 212312), (520, 159234), (624, 132695), (780, 106156), (1040, 79617), (1560, 53078), (3120, 26539)]