87755120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1362

約数の個数: 80

約数和(自身を含む): 218825280

約数和(自身を除く): 131070160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 296, 368, 370, 460, 592, 740, 851, 920, 1289, 1480, 1702, 1840, 2578, 2960, 3404, 4255, 5156, 6445, 6808, 8510, 10312, 12890, 13616, 17020, 20624, 25780, 29647, 34040, 47693, 51560, 59294, 68080, 95386, 103120, 118588, 148235, 190772, 237176, 238465, 296470, 381544, 474352, 476930, 592940, 763088, 953860, 1096939, 1185880, 1907720, 2193878, 2371760, 3815440, 4387756, 5484695, 8775512, 10969390, 17551024, 21938780, 43877560, 87755120]

約数ペア:

[(1, 87755120), (2, 43877560), (4, 21938780), (5, 17551024), (8, 10969390), (10, 8775512), (16, 5484695), (20, 4387756), (23, 3815440), (37, 2371760), (40, 2193878), (46, 1907720), (74, 1185880), (80, 1096939), (92, 953860), (115, 763088), (148, 592940), (184, 476930), (185, 474352), (230, 381544), (296, 296470), (368, 238465), (370, 237176), (460, 190772), (592, 148235), (740, 118588), (851, 103120), (920, 95386), (1289, 68080), (1480, 59294), (1702, 51560), (1840, 47693), (2578, 34040), (2960, 29647), (3404, 25780), (4255, 20624), (5156, 17020), (6445, 13616), (6808, 12890), (8510, 10312)]