1565438720

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 3858744960

約数和(自身を除く): 2293306240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 113, 128, 137, 158, 160, 226, 256, 274, 316, 320, 395, 452, 548, 565, 632, 640, 685, 790, 904, 1096, 1130, 1264, 1280, 1370, 1580, 1808, 2192, 2260, 2528, 2740, 3160, 3616, 4384, 4520, 5056, 5480, 6320, 7232, 8768, 8927, 9040, 10112, 10823, 10960, 12640, 14464, 15481, 17536, 17854, 18080, 20224, 21646, 21920, 25280, 28928, 30962, 35072, 35708, 36160, 43292, 43840, 44635, 50560, 54115, 61924, 71416, 72320, 77405, 86584, 87680, 89270, 101120, 108230, 123848, 142832, 144640, 154810, 173168, 175360, 178540, 216460, 247696, 285664, 309620, 346336, 357080, 432920, 495392, 571328, 619240, 692672, 714160, 865840, 990784, 1142656, 1222999, 1238480, 1385344, 1428320, 1731680, 1981568, 2285312, 2445998, 2476960, 2770688, 2856640, 3463360, 3963136, 4891996, 4953920, 5713280, 6114995, 6926720, 9783992, 9907840, 11426560, 12229990, 13853440, 19567984, 19815680, 24459980, 39135968, 48919960, 78271936, 97839920, 156543872, 195679840, 313087744, 391359680, 782719360, 1565438720]

約数ペア:

[(1, 1565438720), (2, 782719360), (4, 391359680), (5, 313087744), (8, 195679840), (10, 156543872), (16, 97839920), (20, 78271936), (32, 48919960), (40, 39135968), (64, 24459980), (79, 19815680), (80, 19567984), (113, 13853440), (128, 12229990), (137, 11426560), (158, 9907840), (160, 9783992), (226, 6926720), (256, 6114995), (274, 5713280), (316, 4953920), (320, 4891996), (395, 3963136), (452, 3463360), (548, 2856640), (565, 2770688), (632, 2476960), (640, 2445998), (685, 2285312), (790, 1981568), (904, 1731680), (1096, 1428320), (1130, 1385344), (1264, 1238480), (1280, 1222999), (1370, 1142656), (1580, 990784), (1808, 865840), (2192, 714160), (2260, 692672), (2528, 619240), (2740, 571328), (3160, 495392), (3616, 432920), (4384, 357080), (4520, 346336), (5056, 309620), (5480, 285664), (6320, 247696), (7232, 216460), (8768, 178540), (8927, 175360), (9040, 173168), (10112, 154810), (10823, 144640), (10960, 142832), (12640, 123848), (14464, 108230), (15481, 101120), (17536, 89270), (17854, 87680), (18080, 86584), (20224, 77405), (21646, 72320), (21920, 71416), (25280, 61924), (28928, 54115), (30962, 50560), (35072, 44635), (35708, 43840), (36160, 43292)]