1280147280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{6577}}^1$

素因数の和:7404

約数の個数: 80

約数和(自身を含む): 3973953984

約数和(自身を除く): 2693806704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 811, 1622, 2433, 3244, 4055, 4866, 6488, 6577, 8110, 9732, 12165, 12976, 13154, 16220, 19464, 19731, 24330, 26308, 32440, 32885, 38928, 39462, 48660, 52616, 64880, 65770, 78924, 97320, 98655, 105232, 131540, 157848, 194640, 197310, 263080, 315696, 394620, 526160, 789240, 1578480, 5333947, 10667894, 16001841, 21335788, 26669735, 32003682, 42671576, 53339470, 64007364, 80009205, 85343152, 106678940, 128014728, 160018410, 213357880, 256029456, 320036820, 426715760, 640073640, 1280147280]

約数ペア:

[(1, 1280147280), (2, 640073640), (3, 426715760), (4, 320036820), (5, 256029456), (6, 213357880), (8, 160018410), (10, 128014728), (12, 106678940), (15, 85343152), (16, 80009205), (20, 64007364), (24, 53339470), (30, 42671576), (40, 32003682), (48, 26669735), (60, 21335788), (80, 16001841), (120, 10667894), (240, 5333947), (811, 1578480), (1622, 789240), (2433, 526160), (3244, 394620), (4055, 315696), (4866, 263080), (6488, 197310), (6577, 194640), (8110, 157848), (9732, 131540), (12165, 105232), (12976, 98655), (13154, 97320), (16220, 78924), (19464, 65770), (19731, 64880), (24330, 52616), (26308, 48660), (32440, 39462), (32885, 38928)]