320578720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26021}}^1$

素因数の和:26054

約数の個数: 96

約数和(自身を含む): 944286336

約数和(自身を除く): 623707616

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 26021, 52042, 104084, 130105, 182147, 208168, 260210, 286231, 364294, 416336, 520420, 572462, 728588, 832672, 910735, 1040840, 1144924, 1431155, 1457176, 1821470, 2003617, 2081680, 2289848, 2862310, 2914352, 3642940, 4007234, 4163360, 4579696, 5724620, 5828704, 7285880, 8014468, 9159392, 10018085, 11449240, 14571760, 16028936, 20036170, 22898480, 29143520, 32057872, 40072340, 45796960, 64115744, 80144680, 160289360, 320578720]

約数ペア:

[(1, 320578720), (2, 160289360), (4, 80144680), (5, 64115744), (7, 45796960), (8, 40072340), (10, 32057872), (11, 29143520), (14, 22898480), (16, 20036170), (20, 16028936), (22, 14571760), (28, 11449240), (32, 10018085), (35, 9159392), (40, 8014468), (44, 7285880), (55, 5828704), (56, 5724620), (70, 4579696), (77, 4163360), (80, 4007234), (88, 3642940), (110, 2914352), (112, 2862310), (140, 2289848), (154, 2081680), (160, 2003617), (176, 1821470), (220, 1457176), (224, 1431155), (280, 1144924), (308, 1040840), (352, 910735), (385, 832672), (440, 728588), (560, 572462), (616, 520420), (770, 416336), (880, 364294), (1120, 286231), (1232, 260210), (1540, 208168), (1760, 182147), (2464, 130105), (3080, 104084), (6160, 52042), (12320, 26021)]