21380458880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1185

約数の個数: 256

約数和(自身を含む): 58046976000

約数和(自身を除く): 36666517120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 79, 80, 88, 110, 128, 148, 158, 160, 176, 185, 220, 296, 316, 320, 352, 370, 395, 407, 440, 592, 632, 640, 704, 740, 790, 814, 869, 880, 1039, 1184, 1264, 1408, 1480, 1580, 1628, 1738, 1760, 2035, 2078, 2368, 2528, 2923, 2960, 3160, 3256, 3476, 3520, 4070, 4156, 4345, 4736, 5056, 5195, 5846, 5920, 6320, 6512, 6952, 7040, 8140, 8312, 8690, 10112, 10390, 11429, 11692, 11840, 12640, 13024, 13904, 14615, 16280, 16624, 17380, 20780, 22858, 23384, 23680, 25280, 26048, 27808, 29230, 32153, 32560, 33248, 34760, 38443, 41560, 45716, 46768, 50560, 52096, 55616, 57145, 58460, 64306, 65120, 66496, 69520, 76886, 82081, 83120, 91432, 93536, 111232, 114290, 116920, 128612, 130240, 132992, 139040, 153772, 160765, 164162, 166240, 182864, 187072, 192215, 228580, 233840, 257224, 260480, 278080, 307544, 321530, 328324, 332480, 365728, 374144, 384430, 410405, 422873, 457160, 467680, 514448, 556160, 615088, 643060, 656648, 664960, 731456, 768860, 820810, 845746, 902891, 914320, 935360, 1028896, 1230176, 1286120, 1313296, 1462912, 1537720, 1641620, 1691492, 1805782, 1828640, 1870720, 2057792, 2114365, 2460352, 2572240, 2626592, 3036997, 3075440, 3283240, 3382984, 3611564, 3657280, 4115584, 4228730, 4514455, 4920704, 5144480, 5253184, 6073994, 6150880, 6566480, 6765968, 7223128, 7314560, 8457460, 9028910, 10288960, 10506368, 12147988, 12301760, 13132960, 13531936, 14446256, 15184985, 16914920, 18057820, 20577920, 24295976, 24603520, 26265920, 27063872, 28892512, 30369970, 33406967, 33829840, 36115640, 48591952, 52531840, 54127744, 57785024, 60739940, 66813934, 67659680, 72231280, 97183904, 115570048, 121479880, 133627868, 135319360, 144462560, 167034835, 194367808, 242959760, 267255736, 270638720, 288925120, 334069670, 388735616, 485919520, 534511472, 577850240, 668139340, 971839040, 1069022944, 1336278680, 1943678080, 2138045888, 2672557360, 4276091776, 5345114720, 10690229440, 21380458880]

約数ペア:

[(1, 21380458880), (2, 10690229440), (4, 5345114720), (5, 4276091776), (8, 2672557360), (10, 2138045888), (11, 1943678080), (16, 1336278680), (20, 1069022944), (22, 971839040), (32, 668139340), (37, 577850240), (40, 534511472), (44, 485919520), (55, 388735616), (64, 334069670), (74, 288925120), (79, 270638720), (80, 267255736), (88, 242959760), (110, 194367808), (128, 167034835), (148, 144462560), (158, 135319360), (160, 133627868), (176, 121479880), (185, 115570048), (220, 97183904), (296, 72231280), (316, 67659680), (320, 66813934), (352, 60739940), (370, 57785024), (395, 54127744), (407, 52531840), (440, 48591952), (592, 36115640), (632, 33829840), (640, 33406967), (704, 30369970), (740, 28892512), (790, 27063872), (814, 26265920), (869, 24603520), (880, 24295976), (1039, 20577920), (1184, 18057820), (1264, 16914920), (1408, 15184985), (1480, 14446256), (1580, 13531936), (1628, 13132960), (1738, 12301760), (1760, 12147988), (2035, 10506368), (2078, 10288960), (2368, 9028910), (2528, 8457460), (2923, 7314560), (2960, 7223128), (3160, 6765968), (3256, 6566480), (3476, 6150880), (3520, 6073994), (4070, 5253184), (4156, 5144480), (4345, 4920704), (4736, 4514455), (5056, 4228730), (5195, 4115584), (5846, 3657280), (5920, 3611564), (6320, 3382984), (6512, 3283240), (6952, 3075440), (7040, 3036997), (8140, 2626592), (8312, 2572240), (8690, 2460352), (10112, 2114365), (10390, 2057792), (11429, 1870720), (11692, 1828640), (11840, 1805782), (12640, 1691492), (13024, 1641620), (13904, 1537720), (14615, 1462912), (16280, 1313296), (16624, 1286120), (17380, 1230176), (20780, 1028896), (22858, 935360), (23384, 914320), (23680, 902891), (25280, 845746), (26048, 820810), (27808, 768860), (29230, 731456), (32153, 664960), (32560, 656648), (33248, 643060), (34760, 615088), (38443, 556160), (41560, 514448), (45716, 467680), (46768, 457160), (50560, 422873), (52096, 410405), (55616, 384430), (57145, 374144), (58460, 365728), (64306, 332480), (65120, 328324), (66496, 321530), (69520, 307544), (76886, 278080), (82081, 260480), (83120, 257224), (91432, 233840), (93536, 228580), (111232, 192215), (114290, 187072), (116920, 182864), (128612, 166240), (130240, 164162), (132992, 160765), (139040, 153772)]