20385686400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{839}}^1\times {\mathrm{2531}}^1$

素因数の和:3397

約数の個数: 192

約数和(自身を含む): 67251945600

約数和(自身を除く): 46866259200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 839, 960, 1200, 1600, 1678, 1920, 2400, 2517, 2531, 3200, 3356, 4195, 4800, 5034, 5062, 6712, 7593, 8390, 9600, 10068, 10124, 12585, 12655, 13424, 15186, 16780, 20136, 20248, 20975, 25170, 25310, 26848, 30372, 33560, 37965, 40272, 40496, 41950, 50340, 50620, 53696, 60744, 62925, 63275, 67120, 75930, 80544, 80992, 83900, 100680, 101240, 107392, 121488, 125850, 126550, 134240, 151860, 161088, 161984, 167800, 189825, 201360, 202480, 242976, 251700, 253100, 268480, 303720, 322176, 323968, 335600, 379650, 402720, 404960, 485952, 503400, 506200, 536960, 607440, 671200, 759300, 805440, 809920, 971904, 1006800, 1012400, 1214880, 1342400, 1518600, 1610880, 1619840, 2013600, 2024800, 2123509, 2429760, 2684800, 3037200, 4027200, 4049600, 4247018, 4859520, 6074400, 6370527, 8054400, 8099200, 8494036, 10617545, 12148800, 12741054, 16988072, 21235090, 24297600, 25482108, 31852635, 33976144, 42470180, 50964216, 53087725, 63705270, 67952288, 84940360, 101928432, 106175450, 127410540, 135904576, 159263175, 169880720, 203856864, 212350900, 254821080, 271809152, 318526350, 339761440, 407713728, 424701800, 509642160, 637052700, 679522880, 815427456, 849403600, 1019284320, 1274105400, 1359045760, 1698807200, 2038568640, 2548210800, 3397614400, 4077137280, 5096421600, 6795228800, 10192843200, 20385686400]

約数ペア:

[(1, 20385686400), (2, 10192843200), (3, 6795228800), (4, 5096421600), (5, 4077137280), (6, 3397614400), (8, 2548210800), (10, 2038568640), (12, 1698807200), (15, 1359045760), (16, 1274105400), (20, 1019284320), (24, 849403600), (25, 815427456), (30, 679522880), (32, 637052700), (40, 509642160), (48, 424701800), (50, 407713728), (60, 339761440), (64, 318526350), (75, 271809152), (80, 254821080), (96, 212350900), (100, 203856864), (120, 169880720), (128, 159263175), (150, 135904576), (160, 127410540), (192, 106175450), (200, 101928432), (240, 84940360), (300, 67952288), (320, 63705270), (384, 53087725), (400, 50964216), (480, 42470180), (600, 33976144), (640, 31852635), (800, 25482108), (839, 24297600), (960, 21235090), (1200, 16988072), (1600, 12741054), (1678, 12148800), (1920, 10617545), (2400, 8494036), (2517, 8099200), (2531, 8054400), (3200, 6370527), (3356, 6074400), (4195, 4859520), (4800, 4247018), (5034, 4049600), (5062, 4027200), (6712, 3037200), (7593, 2684800), (8390, 2429760), (9600, 2123509), (10068, 2024800), (10124, 2013600), (12585, 1619840), (12655, 1610880), (13424, 1518600), (15186, 1342400), (16780, 1214880), (20136, 1012400), (20248, 1006800), (20975, 971904), (25170, 809920), (25310, 805440), (26848, 759300), (30372, 671200), (33560, 607440), (37965, 536960), (40272, 506200), (40496, 503400), (41950, 485952), (50340, 404960), (50620, 402720), (53696, 379650), (60744, 335600), (62925, 323968), (63275, 322176), (67120, 303720), (75930, 268480), (80544, 253100), (80992, 251700), (83900, 242976), (100680, 202480), (101240, 201360), (107392, 189825), (121488, 167800), (125850, 161984), (126550, 161088), (134240, 151860)]