28541760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2287}}^1$

素因数の和:2320

約数の個数: 112

約数和(自身を含む): 97633536

約数和(自身を除く): 69091776

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, 2287, 2496, 3120, 4160, 4574, 6240, 6861, 9148, 11435, 12480, 13722, 18296, 22870, 27444, 29731, 34305, 36592, 45740, 54888, 59462, 68610, 73184, 89193, 91480, 109776, 118924, 137220, 146368, 148655, 178386, 182960, 219552, 237848, 274440, 297310, 356772, 365920, 439104, 445965, 475696, 548880, 594620, 713544, 731840, 891930, 951392, 1097760, 1189240, 1427088, 1783860, 1902784, 2195520, 2378480, 2854176, 3567720, 4756960, 5708352, 7135440, 9513920, 14270880, 28541760]

約数ペア:

[(1, 28541760), (2, 14270880), (3, 9513920), (4, 7135440), (5, 5708352), (6, 4756960), (8, 3567720), (10, 2854176), (12, 2378480), (13, 2195520), (15, 1902784), (16, 1783860), (20, 1427088), (24, 1189240), (26, 1097760), (30, 951392), (32, 891930), (39, 731840), (40, 713544), (48, 594620), (52, 548880), (60, 475696), (64, 445965), (65, 439104), (78, 365920), (80, 356772), (96, 297310), (104, 274440), (120, 237848), (130, 219552), (156, 182960), (160, 178386), (192, 148655), (195, 146368), (208, 137220), (240, 118924), (260, 109776), (312, 91480), (320, 89193), (390, 73184), (416, 68610), (480, 59462), (520, 54888), (624, 45740), (780, 36592), (832, 34305), (960, 29731), (1040, 27444), (1248, 22870), (1560, 18296), (2080, 13722), (2287, 12480), (2496, 11435), (3120, 9148), (4160, 6861), (4574, 6240)]