28158480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 240

約数和(自身を含む): 111730944

約数和(自身を除く): 83572464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 151, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 302, 315, 333, 336, 360, 370, 420, 444, 453, 504, 518, 555, 560, 592, 604, 630, 666, 720, 740, 755, 777, 840, 888, 906, 1008, 1036, 1057, 1110, 1208, 1260, 1295, 1332, 1359, 1480, 1510, 1554, 1665, 1680, 1776, 1812, 2072, 2114, 2220, 2265, 2331, 2416, 2520, 2590, 2664, 2718, 2960, 3020, 3108, 3171, 3330, 3624, 3885, 4144, 4228, 4440, 4530, 4662, 5040, 5180, 5285, 5328, 5436, 5587, 6040, 6216, 6342, 6660, 6795, 7248, 7770, 8456, 8880, 9060, 9324, 9513, 10360, 10570, 10872, 11174, 11655, 12080, 12432, 12684, 13320, 13590, 15540, 15855, 16761, 16912, 18120, 18648, 19026, 20720, 21140, 21744, 22348, 23310, 25368, 26640, 27180, 27935, 31080, 31710, 33522, 36240, 37296, 38052, 39109, 42280, 44696, 46620, 47565, 50283, 50736, 54360, 55870, 62160, 63420, 67044, 76104, 78218, 83805, 84560, 89392, 93240, 95130, 100566, 108720, 111740, 117327, 126840, 134088, 152208, 156436, 167610, 186480, 190260, 195545, 201132, 223480, 234654, 251415, 253680, 268176, 312872, 335220, 351981, 380520, 391090, 402264, 446960, 469308, 502830, 586635, 625744, 670440, 703962, 761040, 782180, 804528, 938616, 1005660, 1173270, 1340880, 1407924, 1564360, 1759905, 1877232, 2011320, 2346540, 2815848, 3128720, 3519810, 4022640, 4693080, 5631696, 7039620, 9386160, 14079240, 28158480]

約数ペア:

[(1, 28158480), (2, 14079240), (3, 9386160), (4, 7039620), (5, 5631696), (6, 4693080), (7, 4022640), (8, 3519810), (9, 3128720), (10, 2815848), (12, 2346540), (14, 2011320), (15, 1877232), (16, 1759905), (18, 1564360), (20, 1407924), (21, 1340880), (24, 1173270), (28, 1005660), (30, 938616), (35, 804528), (36, 782180), (37, 761040), (40, 703962), (42, 670440), (45, 625744), (48, 586635), (56, 502830), (60, 469308), (63, 446960), (70, 402264), (72, 391090), (74, 380520), (80, 351981), (84, 335220), (90, 312872), (105, 268176), (111, 253680), (112, 251415), (120, 234654), (126, 223480), (140, 201132), (144, 195545), (148, 190260), (151, 186480), (168, 167610), (180, 156436), (185, 152208), (210, 134088), (222, 126840), (240, 117327), (252, 111740), (259, 108720), (280, 100566), (296, 95130), (302, 93240), (315, 89392), (333, 84560), (336, 83805), (360, 78218), (370, 76104), (420, 67044), (444, 63420), (453, 62160), (504, 55870), (518, 54360), (555, 50736), (560, 50283), (592, 47565), (604, 46620), (630, 44696), (666, 42280), (720, 39109), (740, 38052), (755, 37296), (777, 36240), (840, 33522), (888, 31710), (906, 31080), (1008, 27935), (1036, 27180), (1057, 26640), (1110, 25368), (1208, 23310), (1260, 22348), (1295, 21744), (1332, 21140), (1359, 20720), (1480, 19026), (1510, 18648), (1554, 18120), (1665, 16912), (1680, 16761), (1776, 15855), (1812, 15540), (2072, 13590), (2114, 13320), (2220, 12684), (2265, 12432), (2331, 12080), (2416, 11655), (2520, 11174), (2590, 10872), (2664, 10570), (2718, 10360), (2960, 9513), (3020, 9324), (3108, 9060), (3171, 8880), (3330, 8456), (3624, 7770), (3885, 7248), (4144, 6795), (4228, 6660), (4440, 6342), (4530, 6216), (4662, 6040), (5040, 5587), (5180, 5436), (5285, 5328)]