399771840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 224

約数和(自身を含む): 1384621056

約数和(自身を除く): 984849216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 103, 104, 120, 130, 156, 160, 192, 195, 206, 208, 240, 260, 309, 311, 312, 320, 390, 412, 416, 480, 515, 520, 618, 622, 624, 780, 824, 832, 933, 960, 1030, 1040, 1236, 1244, 1248, 1339, 1545, 1555, 1560, 1648, 1866, 2060, 2080, 2472, 2488, 2496, 2678, 3090, 3110, 3120, 3296, 3732, 4017, 4043, 4120, 4160, 4665, 4944, 4976, 5356, 6180, 6220, 6240, 6592, 6695, 7464, 8034, 8086, 8240, 9330, 9888, 9952, 10712, 12129, 12360, 12440, 12480, 13390, 14928, 16068, 16172, 16480, 18660, 19776, 19904, 20085, 20215, 21424, 24258, 24720, 24880, 26780, 29856, 32033, 32136, 32344, 32960, 37320, 40170, 40430, 42848, 48516, 49440, 49760, 53560, 59712, 60645, 64066, 64272, 64688, 74640, 80340, 80860, 85696, 96099, 97032, 98880, 99520, 107120, 121290, 128132, 128544, 129376, 149280, 160165, 160680, 161720, 192198, 194064, 214240, 242580, 256264, 257088, 258752, 298560, 320330, 321360, 323440, 384396, 388128, 416429, 428480, 480495, 485160, 512528, 640660, 642720, 646880, 768792, 776256, 832858, 960990, 970320, 1025056, 1249287, 1281320, 1285440, 1293760, 1537584, 1665716, 1921980, 1940640, 2050112, 2082145, 2498574, 2562640, 3075168, 3331432, 3843960, 3881280, 4164290, 4997148, 5125280, 6150336, 6246435, 6662864, 7687920, 8328580, 9994296, 10250560, 12492870, 13325728, 15375840, 16657160, 19988592, 24985740, 26651456, 30751680, 33314320, 39977184, 49971480, 66628640, 79954368, 99942960, 133257280, 199885920, 399771840]

約数ペア:

[(1, 399771840), (2, 199885920), (3, 133257280), (4, 99942960), (5, 79954368), (6, 66628640), (8, 49971480), (10, 39977184), (12, 33314320), (13, 30751680), (15, 26651456), (16, 24985740), (20, 19988592), (24, 16657160), (26, 15375840), (30, 13325728), (32, 12492870), (39, 10250560), (40, 9994296), (48, 8328580), (52, 7687920), (60, 6662864), (64, 6246435), (65, 6150336), (78, 5125280), (80, 4997148), (96, 4164290), (103, 3881280), (104, 3843960), (120, 3331432), (130, 3075168), (156, 2562640), (160, 2498574), (192, 2082145), (195, 2050112), (206, 1940640), (208, 1921980), (240, 1665716), (260, 1537584), (309, 1293760), (311, 1285440), (312, 1281320), (320, 1249287), (390, 1025056), (412, 970320), (416, 960990), (480, 832858), (515, 776256), (520, 768792), (618, 646880), (622, 642720), (624, 640660), (780, 512528), (824, 485160), (832, 480495), (933, 428480), (960, 416429), (1030, 388128), (1040, 384396), (1236, 323440), (1244, 321360), (1248, 320330), (1339, 298560), (1545, 258752), (1555, 257088), (1560, 256264), (1648, 242580), (1866, 214240), (2060, 194064), (2080, 192198), (2472, 161720), (2488, 160680), (2496, 160165), (2678, 149280), (3090, 129376), (3110, 128544), (3120, 128132), (3296, 121290), (3732, 107120), (4017, 99520), (4043, 98880), (4120, 97032), (4160, 96099), (4665, 85696), (4944, 80860), (4976, 80340), (5356, 74640), (6180, 64688), (6220, 64272), (6240, 64066), (6592, 60645), (6695, 59712), (7464, 53560), (8034, 49760), (8086, 49440), (8240, 48516), (9330, 42848), (9888, 40430), (9952, 40170), (10712, 37320), (12129, 32960), (12360, 32344), (12440, 32136), (12480, 32033), (13390, 29856), (14928, 26780), (16068, 24880), (16172, 24720), (16480, 24258), (18660, 21424), (19776, 20215), (19904, 20085)]