217939680

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{7207}}^1$

素因数の和:7238

約数の個数: 192

約数和(自身を含む): 871879680

約数和(自身を除く): 653940000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7207, 7560, 10080, 14414, 15120, 21621, 28828, 30240, 36035, 43242, 50449, 57656, 64863, 72070, 86484, 100898, 108105, 115312, 129726, 144140, 151347, 172968, 194589, 201796, 216210, 230624, 252245, 259452, 288280, 302694, 324315, 345936, 389178, 403592, 432420, 454041, 504490, 518904, 576560, 605388, 648630, 691872, 756735, 778356, 807184, 864840, 908082, 972945, 1008980, 1037808, 1153120, 1210776, 1297260, 1362123, 1513470, 1556712, 1614368, 1729680, 1816164, 1945890, 2017960, 2075616, 2270205, 2421552, 2594520, 2724246, 3026940, 3113424, 3459360, 3632328, 3891780, 4035920, 4540410, 4843104, 5189040, 5448492, 6053880, 6226848, 6810615, 7264656, 7783560, 8071840, 9080820, 10378080, 10896984, 12107760, 13621230, 14529312, 15567120, 18161640, 21793968, 24215520, 27242460, 31134240, 36323280, 43587936, 54484920, 72646560, 108969840, 217939680]

約数ペア:

[(1, 217939680), (2, 108969840), (3, 72646560), (4, 54484920), (5, 43587936), (6, 36323280), (7, 31134240), (8, 27242460), (9, 24215520), (10, 21793968), (12, 18161640), (14, 15567120), (15, 14529312), (16, 13621230), (18, 12107760), (20, 10896984), (21, 10378080), (24, 9080820), (27, 8071840), (28, 7783560), (30, 7264656), (32, 6810615), (35, 6226848), (36, 6053880), (40, 5448492), (42, 5189040), (45, 4843104), (48, 4540410), (54, 4035920), (56, 3891780), (60, 3632328), (63, 3459360), (70, 3113424), (72, 3026940), (80, 2724246), (84, 2594520), (90, 2421552), (96, 2270205), (105, 2075616), (108, 2017960), (112, 1945890), (120, 1816164), (126, 1729680), (135, 1614368), (140, 1556712), (144, 1513470), (160, 1362123), (168, 1297260), (180, 1210776), (189, 1153120), (210, 1037808), (216, 1008980), (224, 972945), (240, 908082), (252, 864840), (270, 807184), (280, 778356), (288, 756735), (315, 691872), (336, 648630), (360, 605388), (378, 576560), (420, 518904), (432, 504490), (480, 454041), (504, 432420), (540, 403592), (560, 389178), (630, 345936), (672, 324315), (720, 302694), (756, 288280), (840, 259452), (864, 252245), (945, 230624), (1008, 216210), (1080, 201796), (1120, 194589), (1260, 172968), (1440, 151347), (1512, 144140), (1680, 129726), (1890, 115312), (2016, 108105), (2160, 100898), (2520, 86484), (3024, 72070), (3360, 64863), (3780, 57656), (4320, 50449), (5040, 43242), (6048, 36035), (7207, 30240), (7560, 28828), (10080, 21621), (14414, 15120)]