202891520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 533116080

約数和(自身を除く): 330224560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 128, 130, 137, 160, 178, 208, 256, 260, 274, 320, 356, 416, 445, 520, 548, 640, 685, 712, 832, 890, 1040, 1096, 1157, 1280, 1370, 1424, 1664, 1780, 1781, 2080, 2192, 2314, 2740, 2848, 3328, 3560, 3562, 4160, 4384, 4628, 5480, 5696, 5785, 7120, 7124, 8320, 8768, 8905, 9256, 10960, 11392, 11570, 12193, 14240, 14248, 16640, 17536, 17810, 18512, 21920, 22784, 23140, 24386, 28480, 28496, 35072, 35620, 37024, 43840, 46280, 48772, 56960, 56992, 60965, 71240, 74048, 87680, 92560, 97544, 113920, 113984, 121930, 142480, 148096, 158509, 175360, 185120, 195088, 227968, 243860, 284960, 296192, 317018, 370240, 390176, 455936, 487720, 569920, 634036, 740480, 780352, 792545, 975440, 1139840, 1268072, 1480960, 1560704, 1585090, 1950880, 2279680, 2536144, 3121408, 3170180, 3901760, 5072288, 6340360, 7803520, 10144576, 12680720, 15607040, 20289152, 25361440, 40578304, 50722880, 101445760, 202891520]

約数ペア:

[(1, 202891520), (2, 101445760), (4, 50722880), (5, 40578304), (8, 25361440), (10, 20289152), (13, 15607040), (16, 12680720), (20, 10144576), (26, 7803520), (32, 6340360), (40, 5072288), (52, 3901760), (64, 3170180), (65, 3121408), (80, 2536144), (89, 2279680), (104, 1950880), (128, 1585090), (130, 1560704), (137, 1480960), (160, 1268072), (178, 1139840), (208, 975440), (256, 792545), (260, 780352), (274, 740480), (320, 634036), (356, 569920), (416, 487720), (445, 455936), (520, 390176), (548, 370240), (640, 317018), (685, 296192), (712, 284960), (832, 243860), (890, 227968), (1040, 195088), (1096, 185120), (1157, 175360), (1280, 158509), (1370, 148096), (1424, 142480), (1664, 121930), (1780, 113984), (1781, 113920), (2080, 97544), (2192, 92560), (2314, 87680), (2740, 74048), (2848, 71240), (3328, 60965), (3560, 56992), (3562, 56960), (4160, 48772), (4384, 46280), (4628, 43840), (5480, 37024), (5696, 35620), (5785, 35072), (7120, 28496), (7124, 28480), (8320, 24386), (8768, 23140), (8905, 22784), (9256, 21920), (10960, 18512), (11392, 17810), (11570, 17536), (12193, 16640), (14240, 14248)]