2101221120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 288

約数和(自身を含む): 7202990592

約数和(自身を除く): 5101769472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 37, 40, 46, 48, 60, 64, 69, 74, 80, 92, 96, 111, 115, 120, 128, 138, 148, 160, 184, 185, 192, 222, 230, 240, 256, 276, 296, 320, 345, 368, 370, 384, 444, 460, 480, 552, 555, 592, 640, 643, 690, 736, 740, 768, 851, 888, 920, 960, 1104, 1110, 1184, 1280, 1286, 1380, 1472, 1480, 1702, 1776, 1840, 1920, 1929, 2208, 2220, 2368, 2553, 2572, 2760, 2944, 2960, 3215, 3404, 3552, 3680, 3840, 3858, 4255, 4416, 4440, 4736, 5106, 5144, 5520, 5888, 5920, 6430, 6808, 7104, 7360, 7716, 8510, 8832, 8880, 9472, 9645, 10212, 10288, 11040, 11840, 12765, 12860, 13616, 14208, 14720, 14789, 15432, 17020, 17664, 17760, 19290, 20424, 20576, 22080, 23680, 23791, 25530, 25720, 27232, 28416, 29440, 29578, 30864, 34040, 35520, 38580, 40848, 41152, 44160, 44367, 47360, 47582, 51060, 51440, 54464, 59156, 61728, 68080, 71040, 71373, 73945, 77160, 81696, 82304, 88320, 88734, 95164, 102120, 102880, 108928, 118312, 118955, 123456, 136160, 142080, 142746, 147890, 154320, 163392, 164608, 177468, 190328, 204240, 205760, 217856, 221835, 236624, 237910, 246912, 272320, 285492, 295780, 308640, 326784, 354936, 356865, 380656, 408480, 411520, 443670, 473248, 475820, 493824, 544640, 547193, 570984, 591560, 617280, 653568, 709872, 713730, 761312, 816960, 823040, 887340, 946496, 951640, 1089280, 1094386, 1141968, 1183120, 1234560, 1419744, 1427460, 1522624, 1633920, 1641579, 1774680, 1892992, 1903280, 2188772, 2283936, 2366240, 2469120, 2735965, 2839488, 2854920, 3045248, 3267840, 3283158, 3549360, 3785984, 3806560, 4377544, 4567872, 4732480, 5471930, 5678976, 5709840, 6090496, 6566316, 7098720, 7613120, 8207895, 8755088, 9135744, 9464960, 10943860, 11357952, 11419680, 13132632, 14197440, 15226240, 16415790, 17510176, 18271488, 18929920, 21887720, 22839360, 26265264, 28394880, 30452480, 32831580, 35020352, 43775440, 45678720, 52530528, 56789760, 65663160, 70040704, 87550880, 91357440, 105061056, 131326320, 140081408, 175101760, 210122112, 262652640, 350203520, 420244224, 525305280, 700407040, 1050610560, 2101221120]

約数ペア:

[(1, 2101221120), (2, 1050610560), (3, 700407040), (4, 525305280), (5, 420244224), (6, 350203520), (8, 262652640), (10, 210122112), (12, 175101760), (15, 140081408), (16, 131326320), (20, 105061056), (23, 91357440), (24, 87550880), (30, 70040704), (32, 65663160), (37, 56789760), (40, 52530528), (46, 45678720), (48, 43775440), (60, 35020352), (64, 32831580), (69, 30452480), (74, 28394880), (80, 26265264), (92, 22839360), (96, 21887720), (111, 18929920), (115, 18271488), (120, 17510176), (128, 16415790), (138, 15226240), (148, 14197440), (160, 13132632), (184, 11419680), (185, 11357952), (192, 10943860), (222, 9464960), (230, 9135744), (240, 8755088), (256, 8207895), (276, 7613120), (296, 7098720), (320, 6566316), (345, 6090496), (368, 5709840), (370, 5678976), (384, 5471930), (444, 4732480), (460, 4567872), (480, 4377544), (552, 3806560), (555, 3785984), (592, 3549360), (640, 3283158), (643, 3267840), (690, 3045248), (736, 2854920), (740, 2839488), (768, 2735965), (851, 2469120), (888, 2366240), (920, 2283936), (960, 2188772), (1104, 1903280), (1110, 1892992), (1184, 1774680), (1280, 1641579), (1286, 1633920), (1380, 1522624), (1472, 1427460), (1480, 1419744), (1702, 1234560), (1776, 1183120), (1840, 1141968), (1920, 1094386), (1929, 1089280), (2208, 951640), (2220, 946496), (2368, 887340), (2553, 823040), (2572, 816960), (2760, 761312), (2944, 713730), (2960, 709872), (3215, 653568), (3404, 617280), (3552, 591560), (3680, 570984), (3840, 547193), (3858, 544640), (4255, 493824), (4416, 475820), (4440, 473248), (4736, 443670), (5106, 411520), (5144, 408480), (5520, 380656), (5888, 356865), (5920, 354936), (6430, 326784), (6808, 308640), (7104, 295780), (7360, 285492), (7716, 272320), (8510, 246912), (8832, 237910), (8880, 236624), (9472, 221835), (9645, 217856), (10212, 205760), (10288, 204240), (11040, 190328), (11840, 177468), (12765, 164608), (12860, 163392), (13616, 154320), (14208, 147890), (14720, 142746), (14789, 142080), (15432, 136160), (17020, 123456), (17664, 118955), (17760, 118312), (19290, 108928), (20424, 102880), (20576, 102120), (22080, 95164), (23680, 88734), (23791, 88320), (25530, 82304), (25720, 81696), (27232, 77160), (28416, 73945), (29440, 71373), (29578, 71040), (30864, 68080), (34040, 61728), (35520, 59156), (38580, 54464), (40848, 51440), (41152, 51060), (44160, 47582), (44367, 47360)]