331206720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26539}}^1$

素因数の和:26572

約数の個数: 112

約数和(自身を含む): 1132514880

約数和(自身を除く): 801308160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 26539, 53078, 79617, 106156, 132695, 159234, 212312, 265390, 318468, 345007, 398085, 424624, 530780, 636936, 690014, 796170, 849248, 1035021, 1061560, 1273872, 1380028, 1592340, 1698496, 1725035, 2070042, 2123120, 2547744, 2760056, 3184680, 3450070, 4140084, 4246240, 5095488, 5175105, 5520112, 6369360, 6900140, 8280168, 8492480, 10350210, 11040224, 12738720, 13800280, 16560336, 20700420, 22080448, 25477440, 27600560, 33120672, 41400840, 55201120, 66241344, 82801680, 110402240, 165603360, 331206720]

約数ペア:

[(1, 331206720), (2, 165603360), (3, 110402240), (4, 82801680), (5, 66241344), (6, 55201120), (8, 41400840), (10, 33120672), (12, 27600560), (13, 25477440), (15, 22080448), (16, 20700420), (20, 16560336), (24, 13800280), (26, 12738720), (30, 11040224), (32, 10350210), (39, 8492480), (40, 8280168), (48, 6900140), (52, 6369360), (60, 5520112), (64, 5175105), (65, 5095488), (78, 4246240), (80, 4140084), (96, 3450070), (104, 3184680), (120, 2760056), (130, 2547744), (156, 2123120), (160, 2070042), (192, 1725035), (195, 1698496), (208, 1592340), (240, 1380028), (260, 1273872), (312, 1061560), (320, 1035021), (390, 849248), (416, 796170), (480, 690014), (520, 636936), (624, 530780), (780, 424624), (832, 398085), (960, 345007), (1040, 318468), (1248, 265390), (1560, 212312), (2080, 159234), (2496, 132695), (3120, 106156), (4160, 79617), (6240, 53078), (12480, 26539)]