80242400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 216

約数和(自身を含む): 240453360

約数和(自身を除く): 160210960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 49, 50, 56, 70, 80, 89, 92, 98, 100, 112, 115, 140, 160, 161, 175, 178, 184, 196, 200, 224, 230, 245, 280, 322, 350, 356, 368, 392, 400, 445, 460, 490, 560, 575, 623, 644, 700, 712, 736, 784, 800, 805, 890, 920, 980, 1120, 1127, 1150, 1225, 1246, 1288, 1400, 1424, 1568, 1610, 1780, 1840, 1960, 2047, 2225, 2254, 2300, 2450, 2492, 2576, 2800, 2848, 3115, 3220, 3560, 3680, 3920, 4025, 4094, 4361, 4450, 4508, 4600, 4900, 4984, 5152, 5600, 5635, 6230, 6440, 7120, 7840, 8050, 8188, 8722, 8900, 9016, 9200, 9800, 9968, 10235, 11270, 12460, 12880, 14240, 14329, 15575, 16100, 16376, 17444, 17800, 18032, 18400, 19600, 19936, 20470, 21805, 22540, 24920, 25760, 28175, 28658, 31150, 32200, 32752, 34888, 35600, 36064, 39200, 40940, 43610, 45080, 49840, 51175, 56350, 57316, 62300, 64400, 65504, 69776, 71200, 71645, 81880, 87220, 90160, 99680, 100303, 102350, 109025, 112700, 114632, 124600, 128800, 139552, 143290, 163760, 174440, 180320, 200606, 204700, 218050, 225400, 229264, 249200, 286580, 327520, 348880, 358225, 401212, 409400, 436100, 450800, 458528, 498400, 501515, 573160, 697760, 716450, 802424, 818800, 872200, 901600, 1003030, 1146320, 1432900, 1604848, 1637600, 1744400, 2006060, 2292640, 2507575, 2865800, 3209696, 3488800, 4012120, 5015150, 5731600, 8024240, 10030300, 11463200, 16048480, 20060600, 40121200, 80242400]

約数ペア:

[(1, 80242400), (2, 40121200), (4, 20060600), (5, 16048480), (7, 11463200), (8, 10030300), (10, 8024240), (14, 5731600), (16, 5015150), (20, 4012120), (23, 3488800), (25, 3209696), (28, 2865800), (32, 2507575), (35, 2292640), (40, 2006060), (46, 1744400), (49, 1637600), (50, 1604848), (56, 1432900), (70, 1146320), (80, 1003030), (89, 901600), (92, 872200), (98, 818800), (100, 802424), (112, 716450), (115, 697760), (140, 573160), (160, 501515), (161, 498400), (175, 458528), (178, 450800), (184, 436100), (196, 409400), (200, 401212), (224, 358225), (230, 348880), (245, 327520), (280, 286580), (322, 249200), (350, 229264), (356, 225400), (368, 218050), (392, 204700), (400, 200606), (445, 180320), (460, 174440), (490, 163760), (560, 143290), (575, 139552), (623, 128800), (644, 124600), (700, 114632), (712, 112700), (736, 109025), (784, 102350), (800, 100303), (805, 99680), (890, 90160), (920, 87220), (980, 81880), (1120, 71645), (1127, 71200), (1150, 69776), (1225, 65504), (1246, 64400), (1288, 62300), (1400, 57316), (1424, 56350), (1568, 51175), (1610, 49840), (1780, 45080), (1840, 43610), (1960, 40940), (2047, 39200), (2225, 36064), (2254, 35600), (2300, 34888), (2450, 32752), (2492, 32200), (2576, 31150), (2800, 28658), (2848, 28175), (3115, 25760), (3220, 24920), (3560, 22540), (3680, 21805), (3920, 20470), (4025, 19936), (4094, 19600), (4361, 18400), (4450, 18032), (4508, 17800), (4600, 17444), (4900, 16376), (4984, 16100), (5152, 15575), (5600, 14329), (5635, 14240), (6230, 12880), (6440, 12460), (7120, 11270), (7840, 10235), (8050, 9968), (8188, 9800), (8722, 9200), (8900, 9016)]