216989280

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{5581}}^1$

素因数の和:5611

約数の個数: 144

約数和(自身を含む): 768038544

約数和(自身を除く): 551049264

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, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 5581, 6480, 7776, 9720, 11162, 12960, 16743, 19440, 22324, 27905, 33486, 38880, 44648, 50229, 55810, 66972, 83715, 89296, 100458, 111620, 133944, 150687, 167430, 178592, 200916, 223240, 251145, 267888, 301374, 334860, 401832, 446480, 452061, 502290, 535776, 602748, 669720, 753435, 803664, 892960, 904122, 1004580, 1205496, 1339440, 1356183, 1506870, 1607328, 1808244, 2009160, 2260305, 2410992, 2678880, 2712366, 3013740, 3616488, 4018320, 4520610, 4821984, 5424732, 6027480, 6780915, 7232976, 8036640, 9041220, 10849464, 12054960, 13561830, 14465952, 18082440, 21698928, 24109920, 27123660, 36164880, 43397856, 54247320, 72329760, 108494640, 216989280]

約数ペア:

[(1, 216989280), (2, 108494640), (3, 72329760), (4, 54247320), (5, 43397856), (6, 36164880), (8, 27123660), (9, 24109920), (10, 21698928), (12, 18082440), (15, 14465952), (16, 13561830), (18, 12054960), (20, 10849464), (24, 9041220), (27, 8036640), (30, 7232976), (32, 6780915), (36, 6027480), (40, 5424732), (45, 4821984), (48, 4520610), (54, 4018320), (60, 3616488), (72, 3013740), (80, 2712366), (81, 2678880), (90, 2410992), (96, 2260305), (108, 2009160), (120, 1808244), (135, 1607328), (144, 1506870), (160, 1356183), (162, 1339440), (180, 1205496), (216, 1004580), (240, 904122), (243, 892960), (270, 803664), (288, 753435), (324, 669720), (360, 602748), (405, 535776), (432, 502290), (480, 452061), (486, 446480), (540, 401832), (648, 334860), (720, 301374), (810, 267888), (864, 251145), (972, 223240), (1080, 200916), (1215, 178592), (1296, 167430), (1440, 150687), (1620, 133944), (1944, 111620), (2160, 100458), (2430, 89296), (2592, 83715), (3240, 66972), (3888, 55810), (4320, 50229), (4860, 44648), (5581, 38880), (6480, 33486), (7776, 27905), (9720, 22324), (11162, 19440), (12960, 16743)]