1991508640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{13633}}^1$

素因数の和:13742

約数の個数: 96

約数和(自身を含む): 5194881216

約数和(自身を除く): 3203372576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 83, 88, 110, 160, 166, 176, 220, 332, 352, 415, 440, 664, 830, 880, 913, 1328, 1660, 1760, 1826, 2656, 3320, 3652, 4565, 6640, 7304, 9130, 13280, 13633, 14608, 18260, 27266, 29216, 36520, 54532, 68165, 73040, 109064, 136330, 146080, 149963, 218128, 272660, 299926, 436256, 545320, 599852, 749815, 1090640, 1131539, 1199704, 1499630, 2181280, 2263078, 2399408, 2999260, 4526156, 4798816, 5657695, 5998520, 9052312, 11315390, 11997040, 12446929, 18104624, 22630780, 23994080, 24893858, 36209248, 45261560, 49787716, 62234645, 90523120, 99575432, 124469290, 181046240, 199150864, 248938580, 398301728, 497877160, 995754320, 1991508640]

約数ペア:

[(1, 1991508640), (2, 995754320), (4, 497877160), (5, 398301728), (8, 248938580), (10, 199150864), (11, 181046240), (16, 124469290), (20, 99575432), (22, 90523120), (32, 62234645), (40, 49787716), (44, 45261560), (55, 36209248), (80, 24893858), (83, 23994080), (88, 22630780), (110, 18104624), (160, 12446929), (166, 11997040), (176, 11315390), (220, 9052312), (332, 5998520), (352, 5657695), (415, 4798816), (440, 4526156), (664, 2999260), (830, 2399408), (880, 2263078), (913, 2181280), (1328, 1499630), (1660, 1199704), (1760, 1131539), (1826, 1090640), (2656, 749815), (3320, 599852), (3652, 545320), (4565, 436256), (6640, 299926), (7304, 272660), (9130, 218128), (13280, 149963), (13633, 146080), (14608, 136330), (18260, 109064), (27266, 73040), (29216, 68165), (36520, 54532)]