156933182720

素因数分解:

$2^8\times 5^1\times {\mathrm{349}}^1\times {\mathrm{351301}}^1$

素因数の和:351671

約数の個数: 72

約数和(自身を含む): 376982176200

約数和(自身を除く): 220048993480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 349, 640, 698, 1280, 1396, 1745, 2792, 3490, 5584, 6980, 11168, 13960, 22336, 27920, 44672, 55840, 89344, 111680, 223360, 351301, 446720, 702602, 1405204, 1756505, 2810408, 3513010, 5620816, 7026020, 11241632, 14052040, 22483264, 28104080, 44966528, 56208160, 89933056, 112416320, 122604049, 224832640, 245208098, 449665280, 490416196, 613020245, 980832392, 1226040490, 1961664784, 2452080980, 3923329568, 4904161960, 7846659136, 9808323920, 15693318272, 19616647840, 31386636544, 39233295680, 78466591360, 156933182720]

約数ペア:

[(1, 156933182720), (2, 78466591360), (4, 39233295680), (5, 31386636544), (8, 19616647840), (10, 15693318272), (16, 9808323920), (20, 7846659136), (32, 4904161960), (40, 3923329568), (64, 2452080980), (80, 1961664784), (128, 1226040490), (160, 980832392), (256, 613020245), (320, 490416196), (349, 449665280), (640, 245208098), (698, 224832640), (1280, 122604049), (1396, 112416320), (1745, 89933056), (2792, 56208160), (3490, 44966528), (5584, 28104080), (6980, 22483264), (11168, 14052040), (13960, 11241632), (22336, 7026020), (27920, 5620816), (44672, 3513010), (55840, 2810408), (89344, 1756505), (111680, 1405204), (223360, 702602), (351301, 446720)]