1260320640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 256

約数和(自身を含む): 4188870720

約数和(自身を除く): 2928550080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 113, 120, 128, 148, 157, 160, 185, 192, 222, 226, 240, 296, 314, 320, 339, 370, 384, 444, 452, 471, 480, 555, 565, 592, 628, 640, 678, 740, 785, 888, 904, 942, 960, 1110, 1130, 1184, 1256, 1356, 1480, 1570, 1695, 1776, 1808, 1884, 1920, 2220, 2260, 2355, 2368, 2512, 2712, 2960, 3140, 3390, 3552, 3616, 3768, 4181, 4440, 4520, 4710, 4736, 5024, 5424, 5809, 5920, 6280, 6780, 7104, 7232, 7536, 8362, 8880, 9040, 9420, 10048, 10848, 11618, 11840, 12543, 12560, 13560, 14208, 14464, 15072, 16724, 17427, 17741, 17760, 18080, 18840, 20096, 20905, 21696, 23236, 23680, 25086, 25120, 27120, 29045, 30144, 33448, 34854, 35482, 35520, 36160, 37680, 41810, 43392, 46472, 50172, 50240, 53223, 54240, 58090, 60288, 62715, 66896, 69708, 70964, 71040, 72320, 75360, 83620, 87135, 88705, 92944, 100344, 100480, 106446, 108480, 116180, 125430, 133792, 139416, 141928, 150720, 167240, 174270, 177410, 185888, 200688, 212892, 216960, 232360, 250860, 266115, 267584, 278832, 283856, 301440, 334480, 348540, 354820, 371776, 401376, 425784, 464720, 501720, 532230, 535168, 557664, 567712, 656417, 668960, 697080, 709640, 743552, 802752, 851568, 929440, 1003440, 1064460, 1115328, 1135424, 1312834, 1337920, 1394160, 1419280, 1605504, 1703136, 1858880, 1969251, 2006880, 2128920, 2230656, 2270848, 2625668, 2675840, 2788320, 2838560, 3282085, 3406272, 3717760, 3938502, 4013760, 4257840, 5251336, 5576640, 5677120, 6564170, 6812544, 7877004, 8027520, 8515680, 9846255, 10502672, 11153280, 11354240, 13128340, 15754008, 17031360, 19692510, 21005344, 26256680, 31508016, 34062720, 39385020, 42010688, 52513360, 63016032, 78770040, 84021376, 105026720, 126032064, 157540080, 210053440, 252064128, 315080160, 420106880, 630160320, 1260320640]

約数ペア:

[(1, 1260320640), (2, 630160320), (3, 420106880), (4, 315080160), (5, 252064128), (6, 210053440), (8, 157540080), (10, 126032064), (12, 105026720), (15, 84021376), (16, 78770040), (20, 63016032), (24, 52513360), (30, 42010688), (32, 39385020), (37, 34062720), (40, 31508016), (48, 26256680), (60, 21005344), (64, 19692510), (74, 17031360), (80, 15754008), (96, 13128340), (111, 11354240), (113, 11153280), (120, 10502672), (128, 9846255), (148, 8515680), (157, 8027520), (160, 7877004), (185, 6812544), (192, 6564170), (222, 5677120), (226, 5576640), (240, 5251336), (296, 4257840), (314, 4013760), (320, 3938502), (339, 3717760), (370, 3406272), (384, 3282085), (444, 2838560), (452, 2788320), (471, 2675840), (480, 2625668), (555, 2270848), (565, 2230656), (592, 2128920), (628, 2006880), (640, 1969251), (678, 1858880), (740, 1703136), (785, 1605504), (888, 1419280), (904, 1394160), (942, 1337920), (960, 1312834), (1110, 1135424), (1130, 1115328), (1184, 1064460), (1256, 1003440), (1356, 929440), (1480, 851568), (1570, 802752), (1695, 743552), (1776, 709640), (1808, 697080), (1884, 668960), (1920, 656417), (2220, 567712), (2260, 557664), (2355, 535168), (2368, 532230), (2512, 501720), (2712, 464720), (2960, 425784), (3140, 401376), (3390, 371776), (3552, 354820), (3616, 348540), (3768, 334480), (4181, 301440), (4440, 283856), (4520, 278832), (4710, 267584), (4736, 266115), (5024, 250860), (5424, 232360), (5809, 216960), (5920, 212892), (6280, 200688), (6780, 185888), (7104, 177410), (7232, 174270), (7536, 167240), (8362, 150720), (8880, 141928), (9040, 139416), (9420, 133792), (10048, 125430), (10848, 116180), (11618, 108480), (11840, 106446), (12543, 100480), (12560, 100344), (13560, 92944), (14208, 88705), (14464, 87135), (15072, 83620), (16724, 75360), (17427, 72320), (17741, 71040), (17760, 70964), (18080, 69708), (18840, 66896), (20096, 62715), (20905, 60288), (21696, 58090), (23236, 54240), (23680, 53223), (25086, 50240), (25120, 50172), (27120, 46472), (29045, 43392), (30144, 41810), (33448, 37680), (34854, 36160), (35482, 35520)]