158399920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4637}}^1$

素因数の和:4718

約数の個数: 80

約数和(自身を含む): 427883328

約数和(自身を除く): 269483408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 4270, 4637, 4880, 6832, 8540, 9274, 17080, 18548, 23185, 32459, 34160, 37096, 46370, 64918, 74192, 92740, 129836, 162295, 185480, 259672, 282857, 324590, 370960, 519344, 565714, 649180, 1131428, 1298360, 1414285, 1979999, 2262856, 2596720, 2828570, 3959998, 4525712, 5657140, 7919996, 9899995, 11314280, 15839992, 19799990, 22628560, 31679984, 39599980, 79199960, 158399920]

約数ペア:

[(1, 158399920), (2, 79199960), (4, 39599980), (5, 31679984), (7, 22628560), (8, 19799990), (10, 15839992), (14, 11314280), (16, 9899995), (20, 7919996), (28, 5657140), (35, 4525712), (40, 3959998), (56, 2828570), (61, 2596720), (70, 2262856), (80, 1979999), (112, 1414285), (122, 1298360), (140, 1131428), (244, 649180), (280, 565714), (305, 519344), (427, 370960), (488, 324590), (560, 282857), (610, 259672), (854, 185480), (976, 162295), (1220, 129836), (1708, 92740), (2135, 74192), (2440, 64918), (3416, 46370), (4270, 37096), (4637, 34160), (4880, 32459), (6832, 23185), (8540, 18548), (9274, 17080)]