156507920

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7219}}^1$

素因数の和:7503

約数の個数: 40

約数和(自身を含む): 365274240

約数和(自身を除く): 208766320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 7219, 10840, 14438, 21680, 28876, 36095, 57752, 72190, 115504, 144380, 288760, 577520, 1956349, 3912698, 7825396, 9781745, 15650792, 19563490, 31301584, 39126980, 78253960, 156507920]

約数ペア:

[(1, 156507920), (2, 78253960), (4, 39126980), (5, 31301584), (8, 19563490), (10, 15650792), (16, 9781745), (20, 7825396), (40, 3912698), (80, 1956349), (271, 577520), (542, 288760), (1084, 144380), (1355, 115504), (2168, 72190), (2710, 57752), (4336, 36095), (5420, 28876), (7219, 21680), (10840, 14438)]