71972640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 247980096

約数和(自身を除く): 176007456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 151, 160, 180, 240, 288, 302, 331, 360, 453, 480, 604, 662, 720, 755, 906, 993, 1208, 1324, 1359, 1440, 1510, 1655, 1812, 1986, 2265, 2416, 2648, 2718, 2979, 3020, 3310, 3624, 3972, 4530, 4832, 4965, 5296, 5436, 5958, 6040, 6620, 6795, 7248, 7944, 9060, 9930, 10592, 10872, 11916, 12080, 13240, 13590, 14496, 14895, 15888, 18120, 19860, 21744, 23832, 24160, 26480, 27180, 29790, 31776, 36240, 39720, 43488, 47664, 49981, 52960, 54360, 59580, 72480, 79440, 95328, 99962, 108720, 119160, 149943, 158880, 199924, 217440, 238320, 249905, 299886, 399848, 449829, 476640, 499810, 599772, 749715, 799696, 899658, 999620, 1199544, 1499430, 1599392, 1799316, 1999240, 2249145, 2399088, 2998860, 3598632, 3998480, 4498290, 4798176, 5997720, 7197264, 7996960, 8996580, 11995440, 14394528, 17993160, 23990880, 35986320, 71972640]

約数ペア:

[(1, 71972640), (2, 35986320), (3, 23990880), (4, 17993160), (5, 14394528), (6, 11995440), (8, 8996580), (9, 7996960), (10, 7197264), (12, 5997720), (15, 4798176), (16, 4498290), (18, 3998480), (20, 3598632), (24, 2998860), (30, 2399088), (32, 2249145), (36, 1999240), (40, 1799316), (45, 1599392), (48, 1499430), (60, 1199544), (72, 999620), (80, 899658), (90, 799696), (96, 749715), (120, 599772), (144, 499810), (151, 476640), (160, 449829), (180, 399848), (240, 299886), (288, 249905), (302, 238320), (331, 217440), (360, 199924), (453, 158880), (480, 149943), (604, 119160), (662, 108720), (720, 99962), (755, 95328), (906, 79440), (993, 72480), (1208, 59580), (1324, 54360), (1359, 52960), (1440, 49981), (1510, 47664), (1655, 43488), (1812, 39720), (1986, 36240), (2265, 31776), (2416, 29790), (2648, 27180), (2718, 26480), (2979, 24160), (3020, 23832), (3310, 21744), (3624, 19860), (3972, 18120), (4530, 15888), (4832, 14895), (4965, 14496), (5296, 13590), (5436, 13240), (5958, 12080), (6040, 11916), (6620, 10872), (6795, 10592), (7248, 9930), (7944, 9060)]