845138840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2939}}^1$

素因数の和:3049

約数の個数: 128

約数和(自身を含む): 2370816000

約数和(自身を除く): 1525677160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 260, 280, 316, 364, 395, 455, 520, 553, 632, 728, 790, 910, 1027, 1106, 1580, 1820, 2054, 2212, 2765, 2939, 3160, 3640, 4108, 4424, 5135, 5530, 5878, 7189, 8216, 10270, 11060, 11756, 14378, 14695, 20540, 20573, 22120, 23512, 28756, 29390, 35945, 38207, 41080, 41146, 57512, 58780, 71890, 76414, 82292, 102865, 117560, 143780, 152828, 164584, 191035, 205730, 232181, 267449, 287560, 305656, 382070, 411460, 464362, 534898, 764140, 822920, 928724, 1069796, 1160905, 1337245, 1528280, 1625267, 1857448, 2139592, 2321810, 2674490, 3018353, 3250534, 4643620, 5348980, 6036706, 6501068, 8126335, 9287240, 10697960, 12073412, 13002136, 15091765, 16252670, 21128471, 24146824, 30183530, 32505340, 42256942, 60367060, 65010680, 84513884, 105642355, 120734120, 169027768, 211284710, 422569420, 845138840]

約数ペア:

[(1, 845138840), (2, 422569420), (4, 211284710), (5, 169027768), (7, 120734120), (8, 105642355), (10, 84513884), (13, 65010680), (14, 60367060), (20, 42256942), (26, 32505340), (28, 30183530), (35, 24146824), (40, 21128471), (52, 16252670), (56, 15091765), (65, 13002136), (70, 12073412), (79, 10697960), (91, 9287240), (104, 8126335), (130, 6501068), (140, 6036706), (158, 5348980), (182, 4643620), (260, 3250534), (280, 3018353), (316, 2674490), (364, 2321810), (395, 2139592), (455, 1857448), (520, 1625267), (553, 1528280), (632, 1337245), (728, 1160905), (790, 1069796), (910, 928724), (1027, 822920), (1106, 764140), (1580, 534898), (1820, 464362), (2054, 411460), (2212, 382070), (2765, 305656), (2939, 287560), (3160, 267449), (3640, 232181), (4108, 205730), (4424, 191035), (5135, 164584), (5530, 152828), (5878, 143780), (7189, 117560), (8216, 102865), (10270, 82292), (11060, 76414), (11756, 71890), (14378, 58780), (14695, 57512), (20540, 41146), (20573, 41080), (22120, 38207), (23512, 35945), (28756, 29390)]