1291036720

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{93283}}^1$

素因数の和:93469

約数の個数: 40

約数和(自身を含む): 3019043376

約数和(自身を除く): 1728006656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 93283, 186566, 373132, 466415, 746264, 932830, 1492528, 1865660, 3731320, 7462640, 16137959, 32275918, 64551836, 80689795, 129103672, 161379590, 258207344, 322759180, 645518360, 1291036720]

約数ペア:

[(1, 1291036720), (2, 645518360), (4, 322759180), (5, 258207344), (8, 161379590), (10, 129103672), (16, 80689795), (20, 64551836), (40, 32275918), (80, 16137959), (173, 7462640), (346, 3731320), (692, 1865660), (865, 1492528), (1384, 932830), (1730, 746264), (2768, 466415), (3460, 373132), (6920, 186566), (13840, 93283)]