1388132640

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{3967}}^1$

素因数の和:4003

約数の個数: 192

約数和(自身を含む): 4919685120

約数和(自身を除く): 3531552480

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, 729, 810, 864, 972, 1080, 1215, 1296, 1440, 1458, 1620, 1944, 2160, 2187, 2430, 2592, 2916, 3240, 3645, 3888, 3967, 4320, 4374, 4860, 5832, 6480, 7290, 7776, 7934, 8748, 9720, 10935, 11664, 11901, 12960, 14580, 15868, 17496, 19440, 19835, 21870, 23328, 23802, 29160, 31736, 34992, 35703, 38880, 39670, 43740, 47604, 58320, 59505, 63472, 69984, 71406, 79340, 87480, 95208, 107109, 116640, 119010, 126944, 142812, 158680, 174960, 178515, 190416, 214218, 238020, 285624, 317360, 321327, 349920, 357030, 380832, 428436, 476040, 535545, 571248, 634720, 642654, 714060, 856872, 952080, 963981, 1071090, 1142496, 1285308, 1428120, 1606635, 1713744, 1904160, 1927962, 2142180, 2570616, 2856240, 2891943, 3213270, 3427488, 3855924, 4284360, 4819905, 5141232, 5712480, 5783886, 6426540, 7711848, 8568720, 8675829, 9639810, 10282464, 11567772, 12853080, 14459715, 15423696, 17137440, 17351658, 19279620, 23135544, 25706160, 28919430, 30847392, 34703316, 38559240, 43379145, 46271088, 51412320, 57838860, 69406632, 77118480, 86758290, 92542176, 115677720, 138813264, 154236960, 173516580, 231355440, 277626528, 347033160, 462710880, 694066320, 1388132640]

約数ペア:

[(1, 1388132640), (2, 694066320), (3, 462710880), (4, 347033160), (5, 277626528), (6, 231355440), (8, 173516580), (9, 154236960), (10, 138813264), (12, 115677720), (15, 92542176), (16, 86758290), (18, 77118480), (20, 69406632), (24, 57838860), (27, 51412320), (30, 46271088), (32, 43379145), (36, 38559240), (40, 34703316), (45, 30847392), (48, 28919430), (54, 25706160), (60, 23135544), (72, 19279620), (80, 17351658), (81, 17137440), (90, 15423696), (96, 14459715), (108, 12853080), (120, 11567772), (135, 10282464), (144, 9639810), (160, 8675829), (162, 8568720), (180, 7711848), (216, 6426540), (240, 5783886), (243, 5712480), (270, 5141232), (288, 4819905), (324, 4284360), (360, 3855924), (405, 3427488), (432, 3213270), (480, 2891943), (486, 2856240), (540, 2570616), (648, 2142180), (720, 1927962), (729, 1904160), (810, 1713744), (864, 1606635), (972, 1428120), (1080, 1285308), (1215, 1142496), (1296, 1071090), (1440, 963981), (1458, 952080), (1620, 856872), (1944, 714060), (2160, 642654), (2187, 634720), (2430, 571248), (2592, 535545), (2916, 476040), (3240, 428436), (3645, 380832), (3888, 357030), (3967, 349920), (4320, 321327), (4374, 317360), (4860, 285624), (5832, 238020), (6480, 214218), (7290, 190416), (7776, 178515), (7934, 174960), (8748, 158680), (9720, 142812), (10935, 126944), (11664, 119010), (11901, 116640), (12960, 107109), (14580, 95208), (15868, 87480), (17496, 79340), (19440, 71406), (19835, 69984), (21870, 63472), (23328, 59505), (23802, 58320), (29160, 47604), (31736, 43740), (34992, 39670), (35703, 38880)]