221340960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 288

約数和(自身を含む): 812343168

約数和(自身を除く): 591002208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 41, 45, 46, 48, 60, 69, 72, 80, 82, 90, 92, 96, 115, 120, 123, 138, 144, 160, 163, 164, 180, 184, 205, 207, 230, 240, 246, 276, 288, 326, 328, 345, 360, 368, 369, 410, 414, 460, 480, 489, 492, 552, 615, 652, 656, 690, 720, 736, 738, 815, 820, 828, 920, 943, 978, 984, 1035, 1104, 1230, 1304, 1312, 1380, 1440, 1467, 1476, 1630, 1640, 1656, 1840, 1845, 1886, 1956, 1968, 2070, 2208, 2445, 2460, 2608, 2760, 2829, 2934, 2952, 3260, 3280, 3312, 3680, 3690, 3749, 3772, 3912, 3936, 4140, 4715, 4890, 4920, 5216, 5520, 5658, 5868, 5904, 6520, 6560, 6624, 6683, 7335, 7380, 7498, 7544, 7824, 8280, 8487, 9430, 9780, 9840, 11040, 11247, 11316, 11736, 11808, 13040, 13366, 14145, 14670, 14760, 14996, 15088, 15648, 16560, 16974, 18745, 18860, 19560, 19680, 20049, 22494, 22632, 23472, 26080, 26732, 28290, 29340, 29520, 29992, 30176, 33120, 33415, 33741, 33948, 37490, 37720, 39120, 40098, 42435, 44988, 45264, 46944, 53464, 56235, 56580, 58680, 59040, 59984, 60147, 66830, 67482, 67896, 74980, 75440, 78240, 80196, 84870, 89976, 90528, 100245, 106928, 112470, 113160, 117360, 119968, 120294, 133660, 134964, 135792, 149960, 150880, 153709, 160392, 168705, 169740, 179952, 200490, 213856, 224940, 226320, 234720, 240588, 267320, 269928, 271584, 299920, 300735, 307418, 320784, 337410, 339480, 359904, 400980, 449880, 452640, 461127, 481176, 534640, 539856, 599840, 601470, 614836, 641568, 674820, 678960, 768545, 801960, 899760, 922254, 962352, 1069280, 1079712, 1202940, 1229672, 1349640, 1357920, 1383381, 1537090, 1603920, 1799520, 1844508, 1924704, 2305635, 2405880, 2459344, 2699280, 2766762, 3074180, 3207840, 3689016, 4611270, 4811760, 4918688, 5398560, 5533524, 6148360, 6916905, 7378032, 9222540, 9623520, 11067048, 12296720, 13833810, 14756064, 18445080, 22134096, 24593440, 27667620, 36890160, 44268192, 55335240, 73780320, 110670480, 221340960]

約数ペア:

[(1, 221340960), (2, 110670480), (3, 73780320), (4, 55335240), (5, 44268192), (6, 36890160), (8, 27667620), (9, 24593440), (10, 22134096), (12, 18445080), (15, 14756064), (16, 13833810), (18, 12296720), (20, 11067048), (23, 9623520), (24, 9222540), (30, 7378032), (32, 6916905), (36, 6148360), (40, 5533524), (41, 5398560), (45, 4918688), (46, 4811760), (48, 4611270), (60, 3689016), (69, 3207840), (72, 3074180), (80, 2766762), (82, 2699280), (90, 2459344), (92, 2405880), (96, 2305635), (115, 1924704), (120, 1844508), (123, 1799520), (138, 1603920), (144, 1537090), (160, 1383381), (163, 1357920), (164, 1349640), (180, 1229672), (184, 1202940), (205, 1079712), (207, 1069280), (230, 962352), (240, 922254), (246, 899760), (276, 801960), (288, 768545), (326, 678960), (328, 674820), (345, 641568), (360, 614836), (368, 601470), (369, 599840), (410, 539856), (414, 534640), (460, 481176), (480, 461127), (489, 452640), (492, 449880), (552, 400980), (615, 359904), (652, 339480), (656, 337410), (690, 320784), (720, 307418), (736, 300735), (738, 299920), (815, 271584), (820, 269928), (828, 267320), (920, 240588), (943, 234720), (978, 226320), (984, 224940), (1035, 213856), (1104, 200490), (1230, 179952), (1304, 169740), (1312, 168705), (1380, 160392), (1440, 153709), (1467, 150880), (1476, 149960), (1630, 135792), (1640, 134964), (1656, 133660), (1840, 120294), (1845, 119968), (1886, 117360), (1956, 113160), (1968, 112470), (2070, 106928), (2208, 100245), (2445, 90528), (2460, 89976), (2608, 84870), (2760, 80196), (2829, 78240), (2934, 75440), (2952, 74980), (3260, 67896), (3280, 67482), (3312, 66830), (3680, 60147), (3690, 59984), (3749, 59040), (3772, 58680), (3912, 56580), (3936, 56235), (4140, 53464), (4715, 46944), (4890, 45264), (4920, 44988), (5216, 42435), (5520, 40098), (5658, 39120), (5868, 37720), (5904, 37490), (6520, 33948), (6560, 33741), (6624, 33415), (6683, 33120), (7335, 30176), (7380, 29992), (7498, 29520), (7544, 29340), (7824, 28290), (8280, 26732), (8487, 26080), (9430, 23472), (9780, 22632), (9840, 22494), (11040, 20049), (11247, 19680), (11316, 19560), (11736, 18860), (11808, 18745), (13040, 16974), (13366, 16560), (14145, 15648), (14670, 15088), (14760, 14996)]