140116720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{383}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 347120640

約数和(自身を除く): 207003920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 269, 272, 340, 383, 538, 680, 766, 1076, 1345, 1360, 1532, 1915, 2152, 2690, 3064, 3830, 4304, 4573, 5380, 6128, 6511, 7660, 9146, 10760, 13022, 15320, 18292, 21520, 22865, 26044, 30640, 32555, 36584, 45730, 52088, 65110, 73168, 91460, 103027, 104176, 130220, 182920, 206054, 260440, 365840, 412108, 515135, 520880, 824216, 1030270, 1648432, 1751459, 2060540, 3502918, 4121080, 7005836, 8242160, 8757295, 14011672, 17514590, 28023344, 35029180, 70058360, 140116720]

約数ペア:

[(1, 140116720), (2, 70058360), (4, 35029180), (5, 28023344), (8, 17514590), (10, 14011672), (16, 8757295), (17, 8242160), (20, 7005836), (34, 4121080), (40, 3502918), (68, 2060540), (80, 1751459), (85, 1648432), (136, 1030270), (170, 824216), (269, 520880), (272, 515135), (340, 412108), (383, 365840), (538, 260440), (680, 206054), (766, 182920), (1076, 130220), (1345, 104176), (1360, 103027), (1532, 91460), (1915, 73168), (2152, 65110), (2690, 52088), (3064, 45730), (3830, 36584), (4304, 32555), (4573, 30640), (5380, 26044), (6128, 22865), (6511, 21520), (7660, 18292), (9146, 15320), (10760, 13022)]