80131680

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{229}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 285163200

約数和(自身を除く): 205031520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 229, 240, 243, 270, 288, 324, 360, 405, 432, 458, 480, 486, 540, 648, 687, 720, 729, 810, 864, 916, 972, 1080, 1145, 1215, 1296, 1374, 1440, 1458, 1620, 1832, 1944, 2061, 2160, 2187, 2290, 2430, 2592, 2748, 2916, 3240, 3435, 3645, 3664, 3888, 4122, 4320, 4374, 4580, 4860, 5496, 5832, 6183, 6480, 6870, 7290, 7328, 7776, 8244, 8748, 9160, 9720, 10305, 10935, 10992, 11664, 12366, 12960, 13740, 14580, 16488, 17496, 18320, 18549, 19440, 20610, 21870, 21984, 23328, 24732, 27480, 29160, 30915, 32976, 34992, 36640, 37098, 38880, 41220, 43740, 49464, 54960, 55647, 58320, 61830, 65952, 69984, 74196, 82440, 87480, 92745, 98928, 109920, 111294, 116640, 123660, 148392, 164880, 166941, 174960, 185490, 197856, 222588, 247320, 278235, 296784, 329760, 333882, 349920, 370980, 445176, 494640, 500823, 556470, 593568, 667764, 741960, 834705, 890352, 989280, 1001646, 1112940, 1335528, 1483920, 1669410, 1780704, 2003292, 2225880, 2504115, 2671056, 2967840, 3338820, 4006584, 4451760, 5008230, 5342112, 6677640, 8013168, 8903520, 10016460, 13355280, 16026336, 20032920, 26710560, 40065840, 80131680]

約数ペア:

[(1, 80131680), (2, 40065840), (3, 26710560), (4, 20032920), (5, 16026336), (6, 13355280), (8, 10016460), (9, 8903520), (10, 8013168), (12, 6677640), (15, 5342112), (16, 5008230), (18, 4451760), (20, 4006584), (24, 3338820), (27, 2967840), (30, 2671056), (32, 2504115), (36, 2225880), (40, 2003292), (45, 1780704), (48, 1669410), (54, 1483920), (60, 1335528), (72, 1112940), (80, 1001646), (81, 989280), (90, 890352), (96, 834705), (108, 741960), (120, 667764), (135, 593568), (144, 556470), (160, 500823), (162, 494640), (180, 445176), (216, 370980), (229, 349920), (240, 333882), (243, 329760), (270, 296784), (288, 278235), (324, 247320), (360, 222588), (405, 197856), (432, 185490), (458, 174960), (480, 166941), (486, 164880), (540, 148392), (648, 123660), (687, 116640), (720, 111294), (729, 109920), (810, 98928), (864, 92745), (916, 87480), (972, 82440), (1080, 74196), (1145, 69984), (1215, 65952), (1296, 61830), (1374, 58320), (1440, 55647), (1458, 54960), (1620, 49464), (1832, 43740), (1944, 41220), (2061, 38880), (2160, 37098), (2187, 36640), (2290, 34992), (2430, 32976), (2592, 30915), (2748, 29160), (2916, 27480), (3240, 24732), (3435, 23328), (3645, 21984), (3664, 21870), (3888, 20610), (4122, 19440), (4320, 18549), (4374, 18320), (4580, 17496), (4860, 16488), (5496, 14580), (5832, 13740), (6183, 12960), (6480, 12366), (6870, 11664), (7290, 10992), (7328, 10935), (7776, 10305), (8244, 9720), (8748, 9160)]