2720065320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1087}}^1$

素因数の和:1445

約数の個数: 256

約数和(自身を含む): 10403020800

約数和(自身を除く): 7682955480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 331, 360, 378, 420, 504, 540, 630, 662, 756, 840, 945, 993, 1080, 1087, 1260, 1324, 1512, 1655, 1890, 1986, 2174, 2317, 2520, 2648, 2979, 3261, 3310, 3780, 3972, 4348, 4634, 4965, 5435, 5958, 6522, 6620, 6951, 7560, 7609, 7944, 8696, 8937, 9268, 9783, 9930, 10870, 11585, 11916, 13044, 13240, 13902, 14895, 15218, 16305, 17874, 18536, 19566, 19860, 20853, 21740, 22827, 23170, 23832, 26088, 27804, 29349, 29790, 30436, 32610, 34755, 35748, 38045, 39132, 39720, 41706, 43480, 44685, 45654, 46340, 48915, 55608, 58698, 59580, 60872, 62559, 65220, 68481, 69510, 71496, 76090, 78264, 83412, 89370, 91308, 92680, 97830, 104265, 114135, 117396, 119160, 125118, 130440, 136962, 139020, 146745, 152180, 166824, 178740, 182616, 195660, 205443, 208530, 228270, 234792, 250236, 273924, 278040, 293490, 304360, 312795, 342405, 357480, 359797, 391320, 410886, 417060, 456540, 500472, 547848, 586980, 625590, 684810, 719594, 821772, 834120, 913080, 1027215, 1079391, 1173960, 1251180, 1369620, 1439188, 1643544, 1798985, 2054430, 2158782, 2502360, 2518579, 2739240, 2878376, 3238173, 3597970, 4108860, 4317564, 5037158, 5396955, 6476346, 7195940, 7555737, 8217720, 8635128, 9714519, 10074316, 10793910, 12592895, 12952692, 14391880, 15111474, 16190865, 19429038, 20148632, 21587820, 22667211, 25185790, 25905384, 30222948, 32381730, 37778685, 38858076, 43175640, 45334422, 48572595, 50371580, 60445896, 64763460, 68001633, 75557370, 77716152, 90668844, 97145190, 100743160, 113336055, 129526920, 136003266, 151114740, 181337688, 194290380, 226672110, 272006532, 302229480, 340008165, 388580760, 453344220, 544013064, 680016330, 906688440, 1360032660, 2720065320]

約数ペア:

[(1, 2720065320), (2, 1360032660), (3, 906688440), (4, 680016330), (5, 544013064), (6, 453344220), (7, 388580760), (8, 340008165), (9, 302229480), (10, 272006532), (12, 226672110), (14, 194290380), (15, 181337688), (18, 151114740), (20, 136003266), (21, 129526920), (24, 113336055), (27, 100743160), (28, 97145190), (30, 90668844), (35, 77716152), (36, 75557370), (40, 68001633), (42, 64763460), (45, 60445896), (54, 50371580), (56, 48572595), (60, 45334422), (63, 43175640), (70, 38858076), (72, 37778685), (84, 32381730), (90, 30222948), (105, 25905384), (108, 25185790), (120, 22667211), (126, 21587820), (135, 20148632), (140, 19429038), (168, 16190865), (180, 15111474), (189, 14391880), (210, 12952692), (216, 12592895), (252, 10793910), (270, 10074316), (280, 9714519), (315, 8635128), (331, 8217720), (360, 7555737), (378, 7195940), (420, 6476346), (504, 5396955), (540, 5037158), (630, 4317564), (662, 4108860), (756, 3597970), (840, 3238173), (945, 2878376), (993, 2739240), (1080, 2518579), (1087, 2502360), (1260, 2158782), (1324, 2054430), (1512, 1798985), (1655, 1643544), (1890, 1439188), (1986, 1369620), (2174, 1251180), (2317, 1173960), (2520, 1079391), (2648, 1027215), (2979, 913080), (3261, 834120), (3310, 821772), (3780, 719594), (3972, 684810), (4348, 625590), (4634, 586980), (4965, 547848), (5435, 500472), (5958, 456540), (6522, 417060), (6620, 410886), (6951, 391320), (7560, 359797), (7609, 357480), (7944, 342405), (8696, 312795), (8937, 304360), (9268, 293490), (9783, 278040), (9930, 273924), (10870, 250236), (11585, 234792), (11916, 228270), (13044, 208530), (13240, 205443), (13902, 195660), (14895, 182616), (15218, 178740), (16305, 166824), (17874, 152180), (18536, 146745), (19566, 139020), (19860, 136962), (20853, 130440), (21740, 125118), (22827, 119160), (23170, 117396), (23832, 114135), (26088, 104265), (27804, 97830), (29349, 92680), (29790, 91308), (30436, 89370), (32610, 83412), (34755, 78264), (35748, 76090), (38045, 71496), (39132, 69510), (39720, 68481), (41706, 65220), (43480, 62559), (44685, 60872), (45654, 59580), (46340, 58698), (48915, 55608)]