78278880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 192

約数和(自身を含む): 267478848

約数和(自身を除く): 189199968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 53, 60, 68, 80, 85, 96, 102, 106, 120, 136, 159, 160, 170, 181, 204, 212, 240, 255, 265, 272, 318, 340, 362, 408, 424, 480, 510, 530, 543, 544, 636, 680, 724, 795, 816, 848, 901, 905, 1020, 1060, 1086, 1272, 1360, 1448, 1590, 1632, 1696, 1802, 1810, 2040, 2120, 2172, 2544, 2703, 2715, 2720, 2896, 3077, 3180, 3604, 3620, 4080, 4240, 4344, 4505, 5088, 5406, 5430, 5792, 6154, 6360, 7208, 7240, 8160, 8480, 8688, 9010, 9231, 9593, 10812, 10860, 12308, 12720, 13515, 14416, 14480, 15385, 17376, 18020, 18462, 19186, 21624, 21720, 24616, 25440, 27030, 28779, 28832, 28960, 30770, 36040, 36924, 38372, 43248, 43440, 46155, 47965, 49232, 54060, 57558, 61540, 72080, 73848, 76744, 86496, 86880, 92310, 95930, 98464, 108120, 115116, 123080, 143895, 144160, 147696, 153488, 163081, 184620, 191860, 216240, 230232, 246160, 287790, 295392, 306976, 326162, 369240, 383720, 432480, 460464, 489243, 492320, 575580, 652324, 738480, 767440, 815405, 920928, 978486, 1151160, 1304648, 1476960, 1534880, 1630810, 1956972, 2302320, 2446215, 2609296, 3261620, 3913944, 4604640, 4892430, 5218592, 6523240, 7827888, 9784860, 13046480, 15655776, 19569720, 26092960, 39139440, 78278880]

約数ペア:

[(1, 78278880), (2, 39139440), (3, 26092960), (4, 19569720), (5, 15655776), (6, 13046480), (8, 9784860), (10, 7827888), (12, 6523240), (15, 5218592), (16, 4892430), (17, 4604640), (20, 3913944), (24, 3261620), (30, 2609296), (32, 2446215), (34, 2302320), (40, 1956972), (48, 1630810), (51, 1534880), (53, 1476960), (60, 1304648), (68, 1151160), (80, 978486), (85, 920928), (96, 815405), (102, 767440), (106, 738480), (120, 652324), (136, 575580), (159, 492320), (160, 489243), (170, 460464), (181, 432480), (204, 383720), (212, 369240), (240, 326162), (255, 306976), (265, 295392), (272, 287790), (318, 246160), (340, 230232), (362, 216240), (408, 191860), (424, 184620), (480, 163081), (510, 153488), (530, 147696), (543, 144160), (544, 143895), (636, 123080), (680, 115116), (724, 108120), (795, 98464), (816, 95930), (848, 92310), (901, 86880), (905, 86496), (1020, 76744), (1060, 73848), (1086, 72080), (1272, 61540), (1360, 57558), (1448, 54060), (1590, 49232), (1632, 47965), (1696, 46155), (1802, 43440), (1810, 43248), (2040, 38372), (2120, 36924), (2172, 36040), (2544, 30770), (2703, 28960), (2715, 28832), (2720, 28779), (2896, 27030), (3077, 25440), (3180, 24616), (3604, 21720), (3620, 21624), (4080, 19186), (4240, 18462), (4344, 18020), (4505, 17376), (5088, 15385), (5406, 14480), (5430, 14416), (5792, 13515), (6154, 12720), (6360, 12308), (7208, 10860), (7240, 10812), (8160, 9593), (8480, 9231), (8688, 9010)]