87115280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2131}}^1$

素因数の和:2224

約数の個数: 80

約数和(自身を含む): 234758784

約数和(自身を除く): 147643504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2131, 2555, 2920, 4088, 4262, 5110, 5840, 8176, 8524, 10220, 10655, 14917, 17048, 20440, 21310, 29834, 34096, 40880, 42620, 59668, 74585, 85240, 119336, 149170, 155563, 170480, 238672, 298340, 311126, 596680, 622252, 777815, 1088941, 1193360, 1244504, 1555630, 2177882, 2489008, 3111260, 4355764, 5444705, 6222520, 8711528, 10889410, 12445040, 17423056, 21778820, 43557640, 87115280]

約数ペア:

[(1, 87115280), (2, 43557640), (4, 21778820), (5, 17423056), (7, 12445040), (8, 10889410), (10, 8711528), (14, 6222520), (16, 5444705), (20, 4355764), (28, 3111260), (35, 2489008), (40, 2177882), (56, 1555630), (70, 1244504), (73, 1193360), (80, 1088941), (112, 777815), (140, 622252), (146, 596680), (280, 311126), (292, 298340), (365, 238672), (511, 170480), (560, 155563), (584, 149170), (730, 119336), (1022, 85240), (1168, 74585), (1460, 59668), (2044, 42620), (2131, 40880), (2555, 34096), (2920, 29834), (4088, 21310), (4262, 20440), (5110, 17048), (5840, 14917), (8176, 10655), (8524, 10220)]