15949440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 256

約数和(自身を含む): 61689600

約数和(自身を除く): 45740160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 71, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 142, 144, 156, 160, 180, 192, 195, 208, 213, 216, 234, 240, 260, 270, 284, 288, 312, 320, 351, 355, 360, 384, 390, 416, 426, 432, 468, 480, 520, 540, 568, 576, 585, 624, 639, 640, 702, 710, 720, 780, 832, 852, 864, 923, 936, 960, 1040, 1065, 1080, 1136, 1152, 1170, 1248, 1278, 1404, 1420, 1440, 1560, 1664, 1704, 1728, 1755, 1846, 1872, 1917, 1920, 2080, 2130, 2160, 2272, 2340, 2496, 2556, 2769, 2808, 2840, 2880, 3120, 3195, 3408, 3456, 3510, 3692, 3744, 3834, 4160, 4260, 4320, 4544, 4615, 4680, 4992, 5112, 5538, 5616, 5680, 5760, 6240, 6390, 6816, 7020, 7384, 7488, 7668, 8307, 8320, 8520, 8640, 9088, 9230, 9360, 9585, 10224, 11076, 11232, 11360, 12480, 12780, 13632, 13845, 14040, 14768, 14976, 15336, 16614, 17040, 17280, 18460, 18720, 19170, 20448, 22152, 22464, 22720, 24921, 24960, 25560, 27264, 27690, 28080, 29536, 30672, 33228, 34080, 36920, 37440, 38340, 40896, 41535, 44304, 44928, 45440, 49842, 51120, 55380, 56160, 59072, 61344, 66456, 68160, 73840, 74880, 76680, 81792, 83070, 88608, 99684, 102240, 110760, 112320, 118144, 122688, 124605, 132912, 136320, 147680, 153360, 166140, 177216, 199368, 204480, 221520, 224640, 245376, 249210, 265824, 295360, 306720, 332280, 354432, 398736, 408960, 443040, 498420, 531648, 590720, 613440, 664560, 797472, 886080, 996840, 1063296, 1226880, 1329120, 1594944, 1772160, 1993680, 2658240, 3189888, 3987360, 5316480, 7974720, 15949440]

約数ペア:

[(1, 15949440), (2, 7974720), (3, 5316480), (4, 3987360), (5, 3189888), (6, 2658240), (8, 1993680), (9, 1772160), (10, 1594944), (12, 1329120), (13, 1226880), (15, 1063296), (16, 996840), (18, 886080), (20, 797472), (24, 664560), (26, 613440), (27, 590720), (30, 531648), (32, 498420), (36, 443040), (39, 408960), (40, 398736), (45, 354432), (48, 332280), (52, 306720), (54, 295360), (60, 265824), (64, 249210), (65, 245376), (71, 224640), (72, 221520), (78, 204480), (80, 199368), (90, 177216), (96, 166140), (104, 153360), (108, 147680), (117, 136320), (120, 132912), (128, 124605), (130, 122688), (135, 118144), (142, 112320), (144, 110760), (156, 102240), (160, 99684), (180, 88608), (192, 83070), (195, 81792), (208, 76680), (213, 74880), (216, 73840), (234, 68160), (240, 66456), (260, 61344), (270, 59072), (284, 56160), (288, 55380), (312, 51120), (320, 49842), (351, 45440), (355, 44928), (360, 44304), (384, 41535), (390, 40896), (416, 38340), (426, 37440), (432, 36920), (468, 34080), (480, 33228), (520, 30672), (540, 29536), (568, 28080), (576, 27690), (585, 27264), (624, 25560), (639, 24960), (640, 24921), (702, 22720), (710, 22464), (720, 22152), (780, 20448), (832, 19170), (852, 18720), (864, 18460), (923, 17280), (936, 17040), (960, 16614), (1040, 15336), (1065, 14976), (1080, 14768), (1136, 14040), (1152, 13845), (1170, 13632), (1248, 12780), (1278, 12480), (1404, 11360), (1420, 11232), (1440, 11076), (1560, 10224), (1664, 9585), (1704, 9360), (1728, 9230), (1755, 9088), (1846, 8640), (1872, 8520), (1917, 8320), (1920, 8307), (2080, 7668), (2130, 7488), (2160, 7384), (2272, 7020), (2340, 6816), (2496, 6390), (2556, 6240), (2769, 5760), (2808, 5680), (2840, 5616), (2880, 5538), (3120, 5112), (3195, 4992), (3408, 4680), (3456, 4615), (3510, 4544), (3692, 4320), (3744, 4260), (3834, 4160)]