28439520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 96

約数和(自身を含む): 90357120

約数和(自身を除く): 61917600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 179, 240, 331, 358, 480, 537, 662, 716, 895, 993, 1074, 1324, 1432, 1655, 1790, 1986, 2148, 2648, 2685, 2864, 3310, 3580, 3972, 4296, 4965, 5296, 5370, 5728, 6620, 7160, 7944, 8592, 9930, 10592, 10740, 13240, 14320, 15888, 17184, 19860, 21480, 26480, 28640, 31776, 39720, 42960, 52960, 59249, 79440, 85920, 118498, 158880, 177747, 236996, 296245, 355494, 473992, 592490, 710988, 888735, 947984, 1184980, 1421976, 1777470, 1895968, 2369960, 2843952, 3554940, 4739920, 5687904, 7109880, 9479840, 14219760, 28439520]

約数ペア:

[(1, 28439520), (2, 14219760), (3, 9479840), (4, 7109880), (5, 5687904), (6, 4739920), (8, 3554940), (10, 2843952), (12, 2369960), (15, 1895968), (16, 1777470), (20, 1421976), (24, 1184980), (30, 947984), (32, 888735), (40, 710988), (48, 592490), (60, 473992), (80, 355494), (96, 296245), (120, 236996), (160, 177747), (179, 158880), (240, 118498), (331, 85920), (358, 79440), (480, 59249), (537, 52960), (662, 42960), (716, 39720), (895, 31776), (993, 28640), (1074, 26480), (1324, 21480), (1432, 19860), (1655, 17184), (1790, 15888), (1986, 14320), (2148, 13240), (2648, 10740), (2685, 10592), (2864, 9930), (3310, 8592), (3580, 7944), (3972, 7160), (4296, 6620), (4965, 5728), (5296, 5370)]