247903740

素因数分解:

$2^2\times 3^6\times 5^1\times 7^2\times {\mathrm{347}}^1$

素因数の和:388

約数の個数: 252

約数和(自身を含む): 910591416

約数和(自身を除く): 662687676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 347, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 694, 729, 735, 756, 810, 882, 945, 972, 980, 1041, 1134, 1215, 1260, 1323, 1388, 1458, 1470, 1620, 1701, 1735, 1764, 1890, 2082, 2205, 2268, 2429, 2430, 2646, 2835, 2916, 2940, 3123, 3402, 3470, 3645, 3780, 3969, 4164, 4410, 4858, 4860, 5103, 5205, 5292, 5670, 6246, 6615, 6804, 6940, 7287, 7290, 7938, 8505, 8820, 9369, 9716, 10206, 10410, 11340, 11907, 12145, 12492, 13230, 14574, 14580, 15615, 15876, 17003, 17010, 18738, 19845, 20412, 20820, 21861, 23814, 24290, 25515, 26460, 28107, 29148, 31230, 34006, 34020, 35721, 36435, 37476, 39690, 43722, 46845, 47628, 48580, 51009, 51030, 56214, 59535, 62460, 65583, 68012, 71442, 72870, 79380, 84321, 85015, 87444, 93690, 102018, 102060, 109305, 112428, 119070, 131166, 140535, 142884, 145740, 153027, 168642, 170030, 178605, 187380, 196749, 204036, 218610, 238140, 252963, 255045, 262332, 281070, 306054, 327915, 337284, 340060, 357210, 393498, 421605, 437220, 459081, 505926, 510090, 562140, 590247, 612108, 655830, 714420, 765135, 786996, 843210, 918162, 983745, 1011852, 1020180, 1180494, 1264815, 1311660, 1377243, 1530270, 1686420, 1770741, 1836324, 1967490, 2295405, 2360988, 2529630, 2754486, 2951235, 3060540, 3541482, 3934980, 4131729, 4590810, 5059260, 5508972, 5902470, 6886215, 7082964, 8263458, 8853705, 9181620, 11804940, 12395187, 13772430, 16526916, 17707410, 20658645, 24790374, 27544860, 35414820, 41317290, 49580748, 61975935, 82634580, 123951870, 247903740]

約数ペア:

[(1, 247903740), (2, 123951870), (3, 82634580), (4, 61975935), (5, 49580748), (6, 41317290), (7, 35414820), (9, 27544860), (10, 24790374), (12, 20658645), (14, 17707410), (15, 16526916), (18, 13772430), (20, 12395187), (21, 11804940), (27, 9181620), (28, 8853705), (30, 8263458), (35, 7082964), (36, 6886215), (42, 5902470), (45, 5508972), (49, 5059260), (54, 4590810), (60, 4131729), (63, 3934980), (70, 3541482), (81, 3060540), (84, 2951235), (90, 2754486), (98, 2529630), (105, 2360988), (108, 2295405), (126, 1967490), (135, 1836324), (140, 1770741), (147, 1686420), (162, 1530270), (180, 1377243), (189, 1311660), (196, 1264815), (210, 1180494), (243, 1020180), (245, 1011852), (252, 983745), (270, 918162), (294, 843210), (315, 786996), (324, 765135), (347, 714420), (378, 655830), (405, 612108), (420, 590247), (441, 562140), (486, 510090), (490, 505926), (540, 459081), (567, 437220), (588, 421605), (630, 393498), (694, 357210), (729, 340060), (735, 337284), (756, 327915), (810, 306054), (882, 281070), (945, 262332), (972, 255045), (980, 252963), (1041, 238140), (1134, 218610), (1215, 204036), (1260, 196749), (1323, 187380), (1388, 178605), (1458, 170030), (1470, 168642), (1620, 153027), (1701, 145740), (1735, 142884), (1764, 140535), (1890, 131166), (2082, 119070), (2205, 112428), (2268, 109305), (2429, 102060), (2430, 102018), (2646, 93690), (2835, 87444), (2916, 85015), (2940, 84321), (3123, 79380), (3402, 72870), (3470, 71442), (3645, 68012), (3780, 65583), (3969, 62460), (4164, 59535), (4410, 56214), (4858, 51030), (4860, 51009), (5103, 48580), (5205, 47628), (5292, 46845), (5670, 43722), (6246, 39690), (6615, 37476), (6804, 36435), (6940, 35721), (7287, 34020), (7290, 34006), (7938, 31230), (8505, 29148), (8820, 28107), (9369, 26460), (9716, 25515), (10206, 24290), (10410, 23814), (11340, 21861), (11907, 20820), (12145, 20412), (12492, 19845), (13230, 18738), (14574, 17010), (14580, 17003), (15615, 15876)]