157220480

素因数分解:

$2^7\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1471}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 378362880

約数和(自身を除く): 221142400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 320, 334, 640, 668, 835, 1336, 1471, 1670, 2672, 2942, 3340, 5344, 5884, 6680, 7355, 10688, 11768, 13360, 14710, 21376, 23536, 26720, 29420, 47072, 53440, 58840, 94144, 106880, 117680, 188288, 235360, 245657, 470720, 491314, 941440, 982628, 1228285, 1965256, 2456570, 3930512, 4913140, 7861024, 9826280, 15722048, 19652560, 31444096, 39305120, 78610240, 157220480]

約数ペア:

[(1, 157220480), (2, 78610240), (4, 39305120), (5, 31444096), (8, 19652560), (10, 15722048), (16, 9826280), (20, 7861024), (32, 4913140), (40, 3930512), (64, 2456570), (80, 1965256), (128, 1228285), (160, 982628), (167, 941440), (320, 491314), (334, 470720), (640, 245657), (668, 235360), (835, 188288), (1336, 117680), (1471, 106880), (1670, 94144), (2672, 58840), (2942, 53440), (3340, 47072), (5344, 29420), (5884, 26720), (6680, 23536), (7355, 21376), (10688, 14710), (11768, 13360)]