2156810880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{419}}^1$

素因数の和:831

約数の個数: 256

約数和(自身を含む): 7896268800

約数和(自身を除く): 5739457920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 383, 384, 419, 420, 448, 480, 560, 640, 672, 766, 838, 840, 896, 960, 1120, 1149, 1257, 1344, 1532, 1676, 1680, 1915, 1920, 2095, 2240, 2298, 2514, 2681, 2688, 2933, 3064, 3352, 3360, 3830, 4190, 4480, 4596, 5028, 5362, 5745, 5866, 6128, 6285, 6704, 6720, 7660, 8043, 8380, 8799, 9192, 10056, 10724, 11490, 11732, 12256, 12570, 13405, 13408, 13440, 14665, 15320, 16086, 16760, 17598, 18384, 20112, 21448, 22980, 23464, 24512, 25140, 26810, 26816, 29330, 30640, 32172, 33520, 35196, 36768, 40215, 40224, 42896, 43995, 45960, 46928, 49024, 50280, 53620, 53632, 58660, 61280, 64344, 67040, 70392, 73536, 80430, 80448, 85792, 87990, 91920, 93856, 100560, 107240, 117320, 122560, 128688, 134080, 140784, 147072, 160477, 160860, 160896, 171584, 175980, 183840, 187712, 201120, 214480, 234640, 245120, 257376, 268160, 281568, 320954, 321720, 343168, 351960, 367680, 375424, 402240, 428960, 469280, 481431, 514752, 563136, 641908, 643440, 703920, 735360, 802385, 804480, 857920, 938560, 962862, 1029504, 1123339, 1126272, 1283816, 1286880, 1407840, 1604770, 1715840, 1877120, 1925724, 2246678, 2407155, 2567632, 2573760, 2815680, 3209540, 3370017, 3851448, 4493356, 4814310, 5135264, 5147520, 5616695, 5631360, 6419080, 6740034, 7702896, 8986712, 9628620, 10270528, 11233390, 12838160, 13480068, 15405792, 16850085, 17973424, 19257240, 20541056, 22466780, 25676320, 26960136, 30811584, 33700170, 35946848, 38514480, 44933560, 51352640, 53920272, 61623168, 67400340, 71893696, 77028960, 89867120, 102705280, 107840544, 134800680, 143787392, 154057920, 179734240, 215681088, 269601360, 308115840, 359468480, 431362176, 539202720, 718936960, 1078405440, 2156810880]

約数ペア:

[(1, 2156810880), (2, 1078405440), (3, 718936960), (4, 539202720), (5, 431362176), (6, 359468480), (7, 308115840), (8, 269601360), (10, 215681088), (12, 179734240), (14, 154057920), (15, 143787392), (16, 134800680), (20, 107840544), (21, 102705280), (24, 89867120), (28, 77028960), (30, 71893696), (32, 67400340), (35, 61623168), (40, 53920272), (42, 51352640), (48, 44933560), (56, 38514480), (60, 35946848), (64, 33700170), (70, 30811584), (80, 26960136), (84, 25676320), (96, 22466780), (105, 20541056), (112, 19257240), (120, 17973424), (128, 16850085), (140, 15405792), (160, 13480068), (168, 12838160), (192, 11233390), (210, 10270528), (224, 9628620), (240, 8986712), (280, 7702896), (320, 6740034), (336, 6419080), (383, 5631360), (384, 5616695), (419, 5147520), (420, 5135264), (448, 4814310), (480, 4493356), (560, 3851448), (640, 3370017), (672, 3209540), (766, 2815680), (838, 2573760), (840, 2567632), (896, 2407155), (960, 2246678), (1120, 1925724), (1149, 1877120), (1257, 1715840), (1344, 1604770), (1532, 1407840), (1676, 1286880), (1680, 1283816), (1915, 1126272), (1920, 1123339), (2095, 1029504), (2240, 962862), (2298, 938560), (2514, 857920), (2681, 804480), (2688, 802385), (2933, 735360), (3064, 703920), (3352, 643440), (3360, 641908), (3830, 563136), (4190, 514752), (4480, 481431), (4596, 469280), (5028, 428960), (5362, 402240), (5745, 375424), (5866, 367680), (6128, 351960), (6285, 343168), (6704, 321720), (6720, 320954), (7660, 281568), (8043, 268160), (8380, 257376), (8799, 245120), (9192, 234640), (10056, 214480), (10724, 201120), (11490, 187712), (11732, 183840), (12256, 175980), (12570, 171584), (13405, 160896), (13408, 160860), (13440, 160477), (14665, 147072), (15320, 140784), (16086, 134080), (16760, 128688), (17598, 122560), (18384, 117320), (20112, 107240), (21448, 100560), (22980, 93856), (23464, 91920), (24512, 87990), (25140, 85792), (26810, 80448), (26816, 80430), (29330, 73536), (30640, 70392), (32172, 67040), (33520, 64344), (35196, 61280), (36768, 58660), (40215, 53632), (40224, 53620), (42896, 50280), (43995, 49024), (45960, 46928)]