281284920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1283}}^1$

素因数の和:1339

約数の個数: 256

約数和(自身を含む): 1109376000

約数和(自身を除く): 828091080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 54, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 108, 116, 120, 126, 135, 140, 145, 168, 174, 180, 189, 203, 210, 216, 232, 252, 261, 270, 280, 290, 315, 348, 360, 378, 406, 420, 435, 504, 522, 540, 580, 609, 630, 696, 756, 783, 812, 840, 870, 945, 1015, 1044, 1080, 1160, 1218, 1260, 1283, 1305, 1512, 1566, 1624, 1740, 1827, 1890, 2030, 2088, 2436, 2520, 2566, 2610, 3045, 3132, 3480, 3654, 3780, 3849, 3915, 4060, 4872, 5132, 5220, 5481, 6090, 6264, 6415, 7308, 7560, 7698, 7830, 8120, 8981, 9135, 10264, 10440, 10962, 11547, 12180, 12830, 14616, 15396, 15660, 17962, 18270, 19245, 21924, 23094, 24360, 25660, 26943, 27405, 30792, 31320, 34641, 35924, 36540, 37207, 38490, 43848, 44905, 46188, 51320, 53886, 54810, 57735, 69282, 71848, 73080, 74414, 76980, 80829, 89810, 92376, 107772, 109620, 111621, 115470, 134715, 138564, 148828, 153960, 161658, 173205, 179620, 186035, 215544, 219240, 223242, 230940, 242487, 260449, 269430, 277128, 297656, 323316, 334863, 346410, 359240, 372070, 404145, 446484, 461880, 484974, 520898, 538860, 558105, 646632, 669726, 692820, 744140, 781347, 808290, 892968, 969948, 1004589, 1041796, 1077720, 1116210, 1212435, 1302245, 1339452, 1385640, 1488280, 1562694, 1616580, 1674315, 1939896, 2009178, 2083592, 2232420, 2344041, 2424870, 2604490, 2678904, 3125388, 3233160, 3348630, 3906735, 4018356, 4464840, 4688082, 4849740, 5022945, 5208980, 6250776, 6697260, 7032123, 7813470, 8036712, 9376164, 9699480, 10045890, 10417960, 11720205, 13394520, 14064246, 15626940, 18752328, 20091780, 23440410, 28128492, 31253880, 35160615, 40183560, 46880820, 56256984, 70321230, 93761640, 140642460, 281284920]

約数ペア:

[(1, 281284920), (2, 140642460), (3, 93761640), (4, 70321230), (5, 56256984), (6, 46880820), (7, 40183560), (8, 35160615), (9, 31253880), (10, 28128492), (12, 23440410), (14, 20091780), (15, 18752328), (18, 15626940), (20, 14064246), (21, 13394520), (24, 11720205), (27, 10417960), (28, 10045890), (29, 9699480), (30, 9376164), (35, 8036712), (36, 7813470), (40, 7032123), (42, 6697260), (45, 6250776), (54, 5208980), (56, 5022945), (58, 4849740), (60, 4688082), (63, 4464840), (70, 4018356), (72, 3906735), (84, 3348630), (87, 3233160), (90, 3125388), (105, 2678904), (108, 2604490), (116, 2424870), (120, 2344041), (126, 2232420), (135, 2083592), (140, 2009178), (145, 1939896), (168, 1674315), (174, 1616580), (180, 1562694), (189, 1488280), (203, 1385640), (210, 1339452), (216, 1302245), (232, 1212435), (252, 1116210), (261, 1077720), (270, 1041796), (280, 1004589), (290, 969948), (315, 892968), (348, 808290), (360, 781347), (378, 744140), (406, 692820), (420, 669726), (435, 646632), (504, 558105), (522, 538860), (540, 520898), (580, 484974), (609, 461880), (630, 446484), (696, 404145), (756, 372070), (783, 359240), (812, 346410), (840, 334863), (870, 323316), (945, 297656), (1015, 277128), (1044, 269430), (1080, 260449), (1160, 242487), (1218, 230940), (1260, 223242), (1283, 219240), (1305, 215544), (1512, 186035), (1566, 179620), (1624, 173205), (1740, 161658), (1827, 153960), (1890, 148828), (2030, 138564), (2088, 134715), (2436, 115470), (2520, 111621), (2566, 109620), (2610, 107772), (3045, 92376), (3132, 89810), (3480, 80829), (3654, 76980), (3780, 74414), (3849, 73080), (3915, 71848), (4060, 69282), (4872, 57735), (5132, 54810), (5220, 53886), (5481, 51320), (6090, 46188), (6264, 44905), (6415, 43848), (7308, 38490), (7560, 37207), (7698, 36540), (7830, 35924), (8120, 34641), (8981, 31320), (9135, 30792), (10264, 27405), (10440, 26943), (10962, 25660), (11547, 24360), (12180, 23094), (12830, 21924), (14616, 19245), (15396, 18270), (15660, 17962)]