21458008080

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{3181}}^1$

素因数の和:3556

約数の個数: 240

約数和(自身を含む): 74971076544

約数和(自身を除く): 53513068464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 347, 360, 405, 432, 486, 540, 648, 694, 720, 810, 972, 1041, 1080, 1215, 1296, 1388, 1620, 1735, 1944, 2082, 2160, 2430, 2776, 3123, 3181, 3240, 3470, 3888, 4164, 4860, 5205, 5552, 6246, 6362, 6480, 6940, 8328, 9369, 9543, 9720, 10410, 12492, 12724, 13880, 15615, 15905, 16656, 18738, 19086, 19440, 20820, 24984, 25448, 27760, 28107, 28629, 31230, 31810, 37476, 38172, 41640, 46845, 47715, 49968, 50896, 56214, 57258, 62460, 63620, 74952, 76344, 83280, 84321, 85887, 93690, 95430, 112428, 114516, 124920, 127240, 140535, 143145, 149904, 152688, 168642, 171774, 187380, 190860, 224856, 229032, 249840, 254480, 257661, 281070, 286290, 337284, 343548, 374760, 381720, 421605, 429435, 449712, 458064, 515322, 562140, 572580, 674568, 687096, 749520, 763440, 772983, 843210, 858870, 1030644, 1103807, 1124280, 1145160, 1288305, 1349136, 1374192, 1545966, 1686420, 1717740, 2061288, 2207614, 2248560, 2290320, 2576610, 3091932, 3311421, 3372840, 3435480, 3864915, 4122576, 4415228, 5153220, 5519035, 6183864, 6622842, 6745680, 6870960, 7729830, 8830456, 9934263, 10306440, 11038070, 12367728, 13245684, 15459660, 16557105, 17660912, 19868526, 20612880, 22076140, 26491368, 29802789, 30919320, 33114210, 39737052, 44152280, 49671315, 52982736, 59605578, 61838640, 66228420, 79474104, 88304560, 89408367, 99342630, 119211156, 132456840, 149013945, 158948208, 178816734, 198685260, 238422312, 264913680, 268225101, 298027890, 357633468, 397370520, 447041835, 476844624, 536450202, 596055780, 715266936, 794741040, 894083670, 1072900404, 1192111560, 1341125505, 1430533872, 1788167340, 2145800808, 2384223120, 2682251010, 3576334680, 4291601616, 5364502020, 7152669360, 10729004040, 21458008080]

約数ペア:

[(1, 21458008080), (2, 10729004040), (3, 7152669360), (4, 5364502020), (5, 4291601616), (6, 3576334680), (8, 2682251010), (9, 2384223120), (10, 2145800808), (12, 1788167340), (15, 1430533872), (16, 1341125505), (18, 1192111560), (20, 1072900404), (24, 894083670), (27, 794741040), (30, 715266936), (36, 596055780), (40, 536450202), (45, 476844624), (48, 447041835), (54, 397370520), (60, 357633468), (72, 298027890), (80, 268225101), (81, 264913680), (90, 238422312), (108, 198685260), (120, 178816734), (135, 158948208), (144, 149013945), (162, 132456840), (180, 119211156), (216, 99342630), (240, 89408367), (243, 88304560), (270, 79474104), (324, 66228420), (347, 61838640), (360, 59605578), (405, 52982736), (432, 49671315), (486, 44152280), (540, 39737052), (648, 33114210), (694, 30919320), (720, 29802789), (810, 26491368), (972, 22076140), (1041, 20612880), (1080, 19868526), (1215, 17660912), (1296, 16557105), (1388, 15459660), (1620, 13245684), (1735, 12367728), (1944, 11038070), (2082, 10306440), (2160, 9934263), (2430, 8830456), (2776, 7729830), (3123, 6870960), (3181, 6745680), (3240, 6622842), (3470, 6183864), (3888, 5519035), (4164, 5153220), (4860, 4415228), (5205, 4122576), (5552, 3864915), (6246, 3435480), (6362, 3372840), (6480, 3311421), (6940, 3091932), (8328, 2576610), (9369, 2290320), (9543, 2248560), (9720, 2207614), (10410, 2061288), (12492, 1717740), (12724, 1686420), (13880, 1545966), (15615, 1374192), (15905, 1349136), (16656, 1288305), (18738, 1145160), (19086, 1124280), (19440, 1103807), (20820, 1030644), (24984, 858870), (25448, 843210), (27760, 772983), (28107, 763440), (28629, 749520), (31230, 687096), (31810, 674568), (37476, 572580), (38172, 562140), (41640, 515322), (46845, 458064), (47715, 449712), (49968, 429435), (50896, 421605), (56214, 381720), (57258, 374760), (62460, 343548), (63620, 337284), (74952, 286290), (76344, 281070), (83280, 257661), (84321, 254480), (85887, 249840), (93690, 229032), (95430, 224856), (112428, 190860), (114516, 187380), (124920, 171774), (127240, 168642), (140535, 152688), (143145, 149904)]