28713219920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8429}}^1$

素因数の和:8546

約数の個数: 240

約数和(自身を含む): 85799865600

約数和(自身を除く): 57086645680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 79, 80, 88, 98, 110, 112, 140, 154, 158, 176, 196, 220, 245, 280, 308, 316, 385, 392, 395, 440, 490, 539, 553, 560, 616, 632, 770, 784, 790, 869, 880, 980, 1078, 1106, 1232, 1264, 1540, 1580, 1738, 1960, 2156, 2212, 2695, 2765, 3080, 3160, 3476, 3871, 3920, 4312, 4345, 4424, 5390, 5530, 6083, 6160, 6320, 6952, 7742, 8429, 8624, 8690, 8848, 10780, 11060, 12166, 13904, 15484, 16858, 17380, 19355, 21560, 22120, 24332, 30415, 30968, 33716, 34760, 38710, 42145, 42581, 43120, 44240, 48664, 59003, 60830, 61936, 67432, 69520, 77420, 84290, 85162, 92719, 97328, 118006, 121660, 134864, 154840, 168580, 170324, 185438, 212905, 236012, 243320, 295015, 309680, 337160, 340648, 370876, 413021, 425810, 463595, 472024, 486640, 590030, 649033, 665891, 674320, 681296, 741752, 826042, 851620, 927190, 944048, 1180060, 1298066, 1331782, 1483504, 1652084, 1703240, 1854380, 2065105, 2360120, 2596132, 2663564, 3245165, 3304168, 3329455, 3406480, 3708760, 4130210, 4543231, 4661237, 4720240, 5192264, 5327128, 6490330, 6608336, 6658910, 7324801, 7417520, 8260420, 9086462, 9322474, 10384528, 10654256, 12980660, 13317820, 14649602, 16520840, 18172924, 18644948, 22716155, 23306185, 25961320, 26635640, 29299204, 32628659, 33041680, 36345848, 36624005, 37289896, 45432310, 46612370, 51273607, 51922640, 53271280, 58598408, 65257318, 72691696, 73248010, 74579792, 90864620, 93224740, 102547214, 117196816, 130514636, 146496020, 163143295, 181729240, 186449480, 205094428, 256368035, 261029272, 292992040, 326286590, 358915249, 363458480, 372898960, 410188856, 512736070, 522058544, 585984080, 652573180, 717830498, 820377712, 1025472140, 1305146360, 1435660996, 1794576245, 2050944280, 2610292720, 2871321992, 3589152490, 4101888560, 5742643984, 7178304980, 14356609960, 28713219920]

約数ペア:

[(1, 28713219920), (2, 14356609960), (4, 7178304980), (5, 5742643984), (7, 4101888560), (8, 3589152490), (10, 2871321992), (11, 2610292720), (14, 2050944280), (16, 1794576245), (20, 1435660996), (22, 1305146360), (28, 1025472140), (35, 820377712), (40, 717830498), (44, 652573180), (49, 585984080), (55, 522058544), (56, 512736070), (70, 410188856), (77, 372898960), (79, 363458480), (80, 358915249), (88, 326286590), (98, 292992040), (110, 261029272), (112, 256368035), (140, 205094428), (154, 186449480), (158, 181729240), (176, 163143295), (196, 146496020), (220, 130514636), (245, 117196816), (280, 102547214), (308, 93224740), (316, 90864620), (385, 74579792), (392, 73248010), (395, 72691696), (440, 65257318), (490, 58598408), (539, 53271280), (553, 51922640), (560, 51273607), (616, 46612370), (632, 45432310), (770, 37289896), (784, 36624005), (790, 36345848), (869, 33041680), (880, 32628659), (980, 29299204), (1078, 26635640), (1106, 25961320), (1232, 23306185), (1264, 22716155), (1540, 18644948), (1580, 18172924), (1738, 16520840), (1960, 14649602), (2156, 13317820), (2212, 12980660), (2695, 10654256), (2765, 10384528), (3080, 9322474), (3160, 9086462), (3476, 8260420), (3871, 7417520), (3920, 7324801), (4312, 6658910), (4345, 6608336), (4424, 6490330), (5390, 5327128), (5530, 5192264), (6083, 4720240), (6160, 4661237), (6320, 4543231), (6952, 4130210), (7742, 3708760), (8429, 3406480), (8624, 3329455), (8690, 3304168), (8848, 3245165), (10780, 2663564), (11060, 2596132), (12166, 2360120), (13904, 2065105), (15484, 1854380), (16858, 1703240), (17380, 1652084), (19355, 1483504), (21560, 1331782), (22120, 1298066), (24332, 1180060), (30415, 944048), (30968, 927190), (33716, 851620), (34760, 826042), (38710, 741752), (42145, 681296), (42581, 674320), (43120, 665891), (44240, 649033), (48664, 590030), (59003, 486640), (60830, 472024), (61936, 463595), (67432, 425810), (69520, 413021), (77420, 370876), (84290, 340648), (85162, 337160), (92719, 309680), (97328, 295015), (118006, 243320), (121660, 236012), (134864, 212905), (154840, 185438), (168580, 170324)]