28841280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2311}}^1$

素因数の和:2344

約数の個数: 112

約数和(自身を含む): 98657664

約数和(自身を除く): 69816384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2311, 2496, 3120, 4160, 4622, 6240, 6933, 9244, 11555, 12480, 13866, 18488, 23110, 27732, 30043, 34665, 36976, 46220, 55464, 60086, 69330, 73952, 90129, 92440, 110928, 120172, 138660, 147904, 150215, 180258, 184880, 221856, 240344, 277320, 300430, 360516, 369760, 443712, 450645, 480688, 554640, 600860, 721032, 739520, 901290, 961376, 1109280, 1201720, 1442064, 1802580, 1922752, 2218560, 2403440, 2884128, 3605160, 4806880, 5768256, 7210320, 9613760, 14420640, 28841280]

約数ペア:

[(1, 28841280), (2, 14420640), (3, 9613760), (4, 7210320), (5, 5768256), (6, 4806880), (8, 3605160), (10, 2884128), (12, 2403440), (13, 2218560), (15, 1922752), (16, 1802580), (20, 1442064), (24, 1201720), (26, 1109280), (30, 961376), (32, 901290), (39, 739520), (40, 721032), (48, 600860), (52, 554640), (60, 480688), (64, 450645), (65, 443712), (78, 369760), (80, 360516), (96, 300430), (104, 277320), (120, 240344), (130, 221856), (156, 184880), (160, 180258), (192, 150215), (195, 147904), (208, 138660), (240, 120172), (260, 110928), (312, 92440), (320, 90129), (390, 73952), (416, 69330), (480, 60086), (520, 55464), (624, 46220), (780, 36976), (832, 34665), (960, 30043), (1040, 27732), (1248, 23110), (1560, 18488), (2080, 13866), (2311, 12480), (2496, 11555), (3120, 9244), (4160, 6933), (4622, 6240)]