19721073120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{119783}}^1$

素因数の和:119822

約数の個数: 192

約数和(自身を含む): 72445363200

約数和(自身を除く): 52724290080

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 343, 392, 420, 480, 490, 560, 588, 672, 686, 735, 784, 840, 980, 1029, 1120, 1176, 1372, 1470, 1568, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3360, 3430, 3920, 4116, 4704, 5145, 5488, 5880, 6860, 7840, 8232, 10290, 10976, 11760, 13720, 16464, 20580, 23520, 27440, 32928, 41160, 54880, 82320, 119783, 164640, 239566, 359349, 479132, 598915, 718698, 838481, 958264, 1197830, 1437396, 1676962, 1796745, 1916528, 2395660, 2515443, 2874792, 3353924, 3593490, 3833056, 4192405, 4791320, 5030886, 5749584, 5869367, 6707848, 7186980, 8384810, 9582640, 10061772, 11499168, 11738734, 12577215, 13415696, 14373960, 16769620, 17608101, 19165280, 20123544, 23477468, 25154430, 26831392, 28747920, 29346835, 33539240, 35216202, 40247088, 41085569, 46954936, 50308860, 57495840, 58693670, 67078480, 70432404, 80494176, 82171138, 88040505, 93909872, 100617720, 117387340, 123256707, 134156960, 140864808, 164342276, 176081010, 187819744, 201235440, 205427845, 234774680, 246513414, 281729616, 328684552, 352162020, 402470880, 410855690, 469549360, 493026828, 563459232, 616283535, 657369104, 704324040, 821711380, 939098720, 986053656, 1232567070, 1314738208, 1408648080, 1643422760, 1972107312, 2465134140, 2817296160, 3286845520, 3944214624, 4930268280, 6573691040, 9860536560, 19721073120]

約数ペア:

[(1, 19721073120), (2, 9860536560), (3, 6573691040), (4, 4930268280), (5, 3944214624), (6, 3286845520), (7, 2817296160), (8, 2465134140), (10, 1972107312), (12, 1643422760), (14, 1408648080), (15, 1314738208), (16, 1232567070), (20, 986053656), (21, 939098720), (24, 821711380), (28, 704324040), (30, 657369104), (32, 616283535), (35, 563459232), (40, 493026828), (42, 469549360), (48, 410855690), (49, 402470880), (56, 352162020), (60, 328684552), (70, 281729616), (80, 246513414), (84, 234774680), (96, 205427845), (98, 201235440), (105, 187819744), (112, 176081010), (120, 164342276), (140, 140864808), (147, 134156960), (160, 123256707), (168, 117387340), (196, 100617720), (210, 93909872), (224, 88040505), (240, 82171138), (245, 80494176), (280, 70432404), (294, 67078480), (336, 58693670), (343, 57495840), (392, 50308860), (420, 46954936), (480, 41085569), (490, 40247088), (560, 35216202), (588, 33539240), (672, 29346835), (686, 28747920), (735, 26831392), (784, 25154430), (840, 23477468), (980, 20123544), (1029, 19165280), (1120, 17608101), (1176, 16769620), (1372, 14373960), (1470, 13415696), (1568, 12577215), (1680, 11738734), (1715, 11499168), (1960, 10061772), (2058, 9582640), (2352, 8384810), (2744, 7186980), (2940, 6707848), (3360, 5869367), (3430, 5749584), (3920, 5030886), (4116, 4791320), (4704, 4192405), (5145, 3833056), (5488, 3593490), (5880, 3353924), (6860, 2874792), (7840, 2515443), (8232, 2395660), (10290, 1916528), (10976, 1796745), (11760, 1676962), (13720, 1437396), (16464, 1197830), (20580, 958264), (23520, 838481), (27440, 718698), (32928, 598915), (41160, 479132), (54880, 359349), (82320, 239566), (119783, 164640)]