76720800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2495

約数の個数: 144

約数和(自身を含む): 269045280

約数和(自身を除く): 192324480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 975, 1040, 1200, 1248, 1300, 1560, 1950, 2080, 2400, 2459, 2600, 3120, 3900, 4918, 5200, 6240, 7377, 7800, 9836, 10400, 12295, 14754, 15600, 19672, 24590, 29508, 31200, 31967, 36885, 39344, 49180, 59016, 61475, 63934, 73770, 78688, 95901, 98360, 118032, 122950, 127868, 147540, 159835, 184425, 191802, 196720, 236064, 245900, 255736, 295080, 319670, 368850, 383604, 393440, 479505, 491800, 511472, 590160, 639340, 737700, 767208, 799175, 959010, 983600, 1022944, 1180320, 1278680, 1475400, 1534416, 1598350, 1918020, 1967200, 2397525, 2557360, 2950800, 3068832, 3196700, 3836040, 4795050, 5114720, 5901600, 6393400, 7672080, 9590100, 12786800, 15344160, 19180200, 25573600, 38360400, 76720800]

約数ペア:

[(1, 76720800), (2, 38360400), (3, 25573600), (4, 19180200), (5, 15344160), (6, 12786800), (8, 9590100), (10, 7672080), (12, 6393400), (13, 5901600), (15, 5114720), (16, 4795050), (20, 3836040), (24, 3196700), (25, 3068832), (26, 2950800), (30, 2557360), (32, 2397525), (39, 1967200), (40, 1918020), (48, 1598350), (50, 1534416), (52, 1475400), (60, 1278680), (65, 1180320), (75, 1022944), (78, 983600), (80, 959010), (96, 799175), (100, 767208), (104, 737700), (120, 639340), (130, 590160), (150, 511472), (156, 491800), (160, 479505), (195, 393440), (200, 383604), (208, 368850), (240, 319670), (260, 295080), (300, 255736), (312, 245900), (325, 236064), (390, 196720), (400, 191802), (416, 184425), (480, 159835), (520, 147540), (600, 127868), (624, 122950), (650, 118032), (780, 98360), (800, 95901), (975, 78688), (1040, 73770), (1200, 63934), (1248, 61475), (1300, 59016), (1560, 49180), (1950, 39344), (2080, 36885), (2400, 31967), (2459, 31200), (2600, 29508), (3120, 24590), (3900, 19672), (4918, 15600), (5200, 14754), (6240, 12295), (7377, 10400), (7800, 9836)]