218144520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1836

約数の個数: 192

約数和(自身を含む): 798819840

約数和(自身を除く): 580675320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1705, 1777, 1860, 1980, 2046, 2232, 2728, 2790, 3069, 3410, 3554, 3720, 3960, 4092, 5115, 5331, 5580, 6138, 6820, 7108, 8184, 8885, 10230, 10662, 11160, 12276, 13640, 14216, 15345, 15993, 17770, 19547, 20460, 21324, 24552, 26655, 30690, 31986, 35540, 39094, 40920, 42648, 53310, 55087, 58641, 61380, 63972, 71080, 78188, 79965, 97735, 106620, 110174, 117282, 122760, 127944, 156376, 159930, 165261, 175923, 195470, 213240, 220348, 234564, 275435, 293205, 319860, 330522, 351846, 390940, 440696, 469128, 495783, 550870, 586410, 605957, 639720, 661044, 703692, 781880, 826305, 879615, 991566, 1101740, 1172820, 1211914, 1322088, 1407384, 1652610, 1759230, 1817871, 1983132, 2203480, 2345640, 2423828, 2478915, 3029785, 3305220, 3518460, 3635742, 3966264, 4847656, 4957830, 5453613, 6059570, 6610440, 7036920, 7271484, 9089355, 9915660, 10907226, 12119140, 14542968, 18178710, 19831320, 21814452, 24238280, 27268065, 36357420, 43628904, 54536130, 72714840, 109072260, 218144520]

約数ペア:

[(1, 218144520), (2, 109072260), (3, 72714840), (4, 54536130), (5, 43628904), (6, 36357420), (8, 27268065), (9, 24238280), (10, 21814452), (11, 19831320), (12, 18178710), (15, 14542968), (18, 12119140), (20, 10907226), (22, 9915660), (24, 9089355), (30, 7271484), (31, 7036920), (33, 6610440), (36, 6059570), (40, 5453613), (44, 4957830), (45, 4847656), (55, 3966264), (60, 3635742), (62, 3518460), (66, 3305220), (72, 3029785), (88, 2478915), (90, 2423828), (93, 2345640), (99, 2203480), (110, 1983132), (120, 1817871), (124, 1759230), (132, 1652610), (155, 1407384), (165, 1322088), (180, 1211914), (186, 1172820), (198, 1101740), (220, 991566), (248, 879615), (264, 826305), (279, 781880), (310, 703692), (330, 661044), (341, 639720), (360, 605957), (372, 586410), (396, 550870), (440, 495783), (465, 469128), (495, 440696), (558, 390940), (620, 351846), (660, 330522), (682, 319860), (744, 293205), (792, 275435), (930, 234564), (990, 220348), (1023, 213240), (1116, 195470), (1240, 175923), (1320, 165261), (1364, 159930), (1395, 156376), (1705, 127944), (1777, 122760), (1860, 117282), (1980, 110174), (2046, 106620), (2232, 97735), (2728, 79965), (2790, 78188), (3069, 71080), (3410, 63972), (3554, 61380), (3720, 58641), (3960, 55087), (4092, 53310), (5115, 42648), (5331, 40920), (5580, 39094), (6138, 35540), (6820, 31986), (7108, 30690), (8184, 26655), (8885, 24552), (10230, 21324), (10662, 20460), (11160, 19547), (12276, 17770), (13640, 15993), (14216, 15345)]