148378640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 354191616

約数和(自身を除く): 205812976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 151, 173, 284, 302, 346, 355, 568, 604, 692, 710, 755, 865, 1136, 1208, 1384, 1420, 1510, 1730, 2416, 2768, 2840, 3020, 3460, 5680, 6040, 6920, 10721, 12080, 12283, 13840, 21442, 24566, 26123, 42884, 49132, 52246, 53605, 61415, 85768, 98264, 104492, 107210, 122830, 130615, 171536, 196528, 208984, 214420, 245660, 261230, 417968, 428840, 491320, 522460, 857680, 982640, 1044920, 1854733, 2089840, 3709466, 7418932, 9273665, 14837864, 18547330, 29675728, 37094660, 74189320, 148378640]

約数ペア:

[(1, 148378640), (2, 74189320), (4, 37094660), (5, 29675728), (8, 18547330), (10, 14837864), (16, 9273665), (20, 7418932), (40, 3709466), (71, 2089840), (80, 1854733), (142, 1044920), (151, 982640), (173, 857680), (284, 522460), (302, 491320), (346, 428840), (355, 417968), (568, 261230), (604, 245660), (692, 214420), (710, 208984), (755, 196528), (865, 171536), (1136, 130615), (1208, 122830), (1384, 107210), (1420, 104492), (1510, 98264), (1730, 85768), (2416, 61415), (2768, 53605), (2840, 52246), (3020, 49132), (3460, 42884), (5680, 26123), (6040, 24566), (6920, 21442), (10721, 13840), (12080, 12283)]