76616800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 206705520

約数和(自身を除く): 130088720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 53, 65, 80, 100, 104, 106, 130, 139, 160, 200, 208, 212, 260, 265, 278, 325, 400, 416, 424, 520, 530, 556, 650, 689, 695, 800, 848, 1040, 1060, 1112, 1300, 1325, 1378, 1390, 1696, 1807, 2080, 2120, 2224, 2600, 2650, 2756, 2780, 3445, 3475, 3614, 4240, 4448, 5200, 5300, 5512, 5560, 6890, 6950, 7228, 7367, 8480, 9035, 10400, 10600, 11024, 11120, 13780, 13900, 14456, 14734, 17225, 18070, 21200, 22048, 22240, 27560, 27800, 28912, 29468, 34450, 36140, 36835, 42400, 45175, 55120, 55600, 57824, 58936, 68900, 72280, 73670, 90350, 95771, 110240, 111200, 117872, 137800, 144560, 147340, 180700, 184175, 191542, 235744, 275600, 289120, 294680, 361400, 368350, 383084, 478855, 551200, 589360, 722800, 736700, 766168, 957710, 1178720, 1445600, 1473400, 1532336, 1915420, 2394275, 2946800, 3064672, 3830840, 4788550, 5893600, 7661680, 9577100, 15323360, 19154200, 38308400, 76616800]

約数ペア:

[(1, 76616800), (2, 38308400), (4, 19154200), (5, 15323360), (8, 9577100), (10, 7661680), (13, 5893600), (16, 4788550), (20, 3830840), (25, 3064672), (26, 2946800), (32, 2394275), (40, 1915420), (50, 1532336), (52, 1473400), (53, 1445600), (65, 1178720), (80, 957710), (100, 766168), (104, 736700), (106, 722800), (130, 589360), (139, 551200), (160, 478855), (200, 383084), (208, 368350), (212, 361400), (260, 294680), (265, 289120), (278, 275600), (325, 235744), (400, 191542), (416, 184175), (424, 180700), (520, 147340), (530, 144560), (556, 137800), (650, 117872), (689, 111200), (695, 110240), (800, 95771), (848, 90350), (1040, 73670), (1060, 72280), (1112, 68900), (1300, 58936), (1325, 57824), (1378, 55600), (1390, 55120), (1696, 45175), (1807, 42400), (2080, 36835), (2120, 36140), (2224, 34450), (2600, 29468), (2650, 28912), (2756, 27800), (2780, 27560), (3445, 22240), (3475, 22048), (3614, 21200), (4240, 18070), (4448, 17225), (5200, 14734), (5300, 14456), (5512, 13900), (5560, 13780), (6890, 11120), (6950, 11024), (7228, 10600), (7367, 10400), (8480, 9035)]