28310880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 144

約数和(自身を含む): 96843600

約数和(自身を除く): 68532720

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 349, 390, 416, 480, 507, 520, 624, 676, 698, 780, 845, 1014, 1040, 1047, 1248, 1352, 1396, 1560, 1690, 1745, 2028, 2080, 2094, 2535, 2704, 2792, 3120, 3380, 3490, 4056, 4188, 4537, 5070, 5235, 5408, 5584, 6240, 6760, 6980, 8112, 8376, 9074, 10140, 10470, 11168, 13520, 13611, 13960, 16224, 16752, 18148, 20280, 20940, 22685, 27040, 27222, 27920, 33504, 36296, 40560, 41880, 45370, 54444, 55840, 58981, 68055, 72592, 81120, 83760, 90740, 108888, 117962, 136110, 145184, 167520, 176943, 181480, 217776, 235924, 272220, 294905, 353886, 362960, 435552, 471848, 544440, 589810, 707772, 725920, 884715, 943696, 1088880, 1179620, 1415544, 1769430, 1887392, 2177760, 2359240, 2831088, 3538860, 4718480, 5662176, 7077720, 9436960, 14155440, 28310880]

約数ペア:

[(1, 28310880), (2, 14155440), (3, 9436960), (4, 7077720), (5, 5662176), (6, 4718480), (8, 3538860), (10, 2831088), (12, 2359240), (13, 2177760), (15, 1887392), (16, 1769430), (20, 1415544), (24, 1179620), (26, 1088880), (30, 943696), (32, 884715), (39, 725920), (40, 707772), (48, 589810), (52, 544440), (60, 471848), (65, 435552), (78, 362960), (80, 353886), (96, 294905), (104, 272220), (120, 235924), (130, 217776), (156, 181480), (160, 176943), (169, 167520), (195, 145184), (208, 136110), (240, 117962), (260, 108888), (312, 90740), (338, 83760), (349, 81120), (390, 72592), (416, 68055), (480, 58981), (507, 55840), (520, 54444), (624, 45370), (676, 41880), (698, 40560), (780, 36296), (845, 33504), (1014, 27920), (1040, 27222), (1047, 27040), (1248, 22685), (1352, 20940), (1396, 20280), (1560, 18148), (1690, 16752), (1745, 16224), (2028, 13960), (2080, 13611), (2094, 13520), (2535, 11168), (2704, 10470), (2792, 10140), (3120, 9074), (3380, 8376), (3490, 8112), (4056, 6980), (4188, 6760), (4537, 6240), (5070, 5584), (5235, 5408)]