172041640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 396576000

約数和(自身を除く): 224534360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 269, 271, 295, 472, 538, 542, 590, 1076, 1084, 1180, 1345, 1355, 2152, 2168, 2360, 2690, 2710, 5380, 5420, 10760, 10840, 15871, 15989, 31742, 31978, 63484, 63956, 72899, 79355, 79945, 126968, 127912, 145798, 158710, 159890, 291596, 317420, 319780, 364495, 583192, 634840, 639560, 728990, 1457980, 2915960, 4301041, 8602082, 17204164, 21505205, 34408328, 43010410, 86020820, 172041640]

約数ペア:

[(1, 172041640), (2, 86020820), (4, 43010410), (5, 34408328), (8, 21505205), (10, 17204164), (20, 8602082), (40, 4301041), (59, 2915960), (118, 1457980), (236, 728990), (269, 639560), (271, 634840), (295, 583192), (472, 364495), (538, 319780), (542, 317420), (590, 291596), (1076, 159890), (1084, 158710), (1180, 145798), (1345, 127912), (1355, 126968), (2152, 79945), (2168, 79355), (2360, 72899), (2690, 63956), (2710, 63484), (5380, 31978), (5420, 31742), (10760, 15989), (10840, 15871)]