1208971760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{821}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 2862138240

約数和(自身を除く): 1653166480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 233, 316, 395, 466, 632, 790, 821, 932, 1165, 1264, 1580, 1642, 1864, 2330, 3160, 3284, 3728, 4105, 4660, 6320, 6568, 8210, 9320, 13136, 16420, 18407, 18640, 32840, 36814, 64859, 65680, 73628, 92035, 129718, 147256, 184070, 191293, 259436, 294512, 324295, 368140, 382586, 518872, 648590, 736280, 765172, 956465, 1037744, 1297180, 1472560, 1530344, 1912930, 2594360, 3060688, 3825860, 5188720, 7651720, 15112147, 15303440, 30224294, 60448588, 75560735, 120897176, 151121470, 241794352, 302242940, 604485880, 1208971760]

約数ペア:

[(1, 1208971760), (2, 604485880), (4, 302242940), (5, 241794352), (8, 151121470), (10, 120897176), (16, 75560735), (20, 60448588), (40, 30224294), (79, 15303440), (80, 15112147), (158, 7651720), (233, 5188720), (316, 3825860), (395, 3060688), (466, 2594360), (632, 1912930), (790, 1530344), (821, 1472560), (932, 1297180), (1165, 1037744), (1264, 956465), (1580, 765172), (1642, 736280), (1864, 648590), (2330, 518872), (3160, 382586), (3284, 368140), (3728, 324295), (4105, 294512), (4660, 259436), (6320, 191293), (6568, 184070), (8210, 147256), (9320, 129718), (13136, 92035), (16420, 73628), (18407, 65680), (18640, 64859), (32840, 36814)]