1640513520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{4243}}^1$

素因数の和:4444

約数の個数: 160

約数和(自身を含む): 5683564800

約数和(自身を除く): 4043051280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 179, 180, 216, 240, 270, 358, 360, 432, 537, 540, 716, 720, 895, 1074, 1080, 1432, 1611, 1790, 2148, 2160, 2685, 2864, 3222, 3580, 4243, 4296, 4833, 5370, 6444, 7160, 8055, 8486, 8592, 9666, 10740, 12729, 12888, 14320, 16110, 16972, 19332, 21215, 21480, 24165, 25458, 25776, 32220, 33944, 38187, 38664, 42430, 42960, 48330, 50916, 63645, 64440, 67888, 76374, 77328, 84860, 96660, 101832, 114561, 127290, 128880, 152748, 169720, 190935, 193320, 203664, 229122, 254580, 305496, 339440, 381870, 386640, 458244, 509160, 572805, 610992, 759497, 763740, 916488, 1018320, 1145610, 1518994, 1527480, 1832976, 2278491, 2291220, 3037988, 3054960, 3797485, 4556982, 4582440, 6075976, 6835473, 7594970, 9113964, 9164880, 11392455, 12151952, 13670946, 15189940, 18227928, 20506419, 22784910, 27341892, 30379880, 34177365, 36455856, 41012838, 45569820, 54683784, 60759760, 68354730, 82025676, 91139640, 102532095, 109367568, 136709460, 164051352, 182279280, 205064190, 273418920, 328102704, 410128380, 546837840, 820256760, 1640513520]

約数ペア:

[(1, 1640513520), (2, 820256760), (3, 546837840), (4, 410128380), (5, 328102704), (6, 273418920), (8, 205064190), (9, 182279280), (10, 164051352), (12, 136709460), (15, 109367568), (16, 102532095), (18, 91139640), (20, 82025676), (24, 68354730), (27, 60759760), (30, 54683784), (36, 45569820), (40, 41012838), (45, 36455856), (48, 34177365), (54, 30379880), (60, 27341892), (72, 22784910), (80, 20506419), (90, 18227928), (108, 15189940), (120, 13670946), (135, 12151952), (144, 11392455), (179, 9164880), (180, 9113964), (216, 7594970), (240, 6835473), (270, 6075976), (358, 4582440), (360, 4556982), (432, 3797485), (537, 3054960), (540, 3037988), (716, 2291220), (720, 2278491), (895, 1832976), (1074, 1527480), (1080, 1518994), (1432, 1145610), (1611, 1018320), (1790, 916488), (2148, 763740), (2160, 759497), (2685, 610992), (2864, 572805), (3222, 509160), (3580, 458244), (4243, 386640), (4296, 381870), (4833, 339440), (5370, 305496), (6444, 254580), (7160, 229122), (8055, 203664), (8486, 193320), (8592, 190935), (9666, 169720), (10740, 152748), (12729, 128880), (12888, 127290), (14320, 114561), (16110, 101832), (16972, 96660), (19332, 84860), (21215, 77328), (21480, 76374), (24165, 67888), (25458, 64440), (25776, 63645), (32220, 50916), (33944, 48330), (38187, 42960), (38664, 42430)]