1369265920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1342

約数の個数: 144

約数和(自身を含む): 3626219520

約数和(自身を除く): 2256953600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 128, 158, 160, 176, 220, 256, 316, 320, 352, 395, 440, 632, 640, 704, 790, 869, 880, 1231, 1264, 1280, 1408, 1580, 1738, 1760, 2462, 2528, 2816, 3160, 3476, 3520, 4345, 4924, 5056, 6155, 6320, 6952, 7040, 8690, 9848, 10112, 12310, 12640, 13541, 13904, 14080, 17380, 19696, 20224, 24620, 25280, 27082, 27808, 34760, 39392, 49240, 50560, 54164, 55616, 67705, 69520, 78784, 97249, 98480, 101120, 108328, 111232, 135410, 139040, 157568, 194498, 196960, 216656, 222464, 270820, 278080, 315136, 388996, 393920, 433312, 486245, 541640, 556160, 777992, 787840, 866624, 972490, 1069739, 1083280, 1112320, 1555984, 1575680, 1733248, 1944980, 2139478, 2166560, 3111968, 3466496, 3889960, 4278956, 4333120, 5348695, 6223936, 7779920, 8557912, 8666240, 10697390, 12447872, 15559840, 17115824, 17332480, 21394780, 24895744, 31119680, 34231648, 42789560, 62239360, 68463296, 85579120, 124478720, 136926592, 171158240, 273853184, 342316480, 684632960, 1369265920]

約数ペア:

[(1, 1369265920), (2, 684632960), (4, 342316480), (5, 273853184), (8, 171158240), (10, 136926592), (11, 124478720), (16, 85579120), (20, 68463296), (22, 62239360), (32, 42789560), (40, 34231648), (44, 31119680), (55, 24895744), (64, 21394780), (79, 17332480), (80, 17115824), (88, 15559840), (110, 12447872), (128, 10697390), (158, 8666240), (160, 8557912), (176, 7779920), (220, 6223936), (256, 5348695), (316, 4333120), (320, 4278956), (352, 3889960), (395, 3466496), (440, 3111968), (632, 2166560), (640, 2139478), (704, 1944980), (790, 1733248), (869, 1575680), (880, 1555984), (1231, 1112320), (1264, 1083280), (1280, 1069739), (1408, 972490), (1580, 866624), (1738, 787840), (1760, 777992), (2462, 556160), (2528, 541640), (2816, 486245), (3160, 433312), (3476, 393920), (3520, 388996), (4345, 315136), (4924, 278080), (5056, 270820), (6155, 222464), (6320, 216656), (6952, 196960), (7040, 194498), (8690, 157568), (9848, 139040), (10112, 135410), (12310, 111232), (12640, 108328), (13541, 101120), (13904, 98480), (14080, 97249), (17380, 78784), (19696, 69520), (20224, 67705), (24620, 55616), (25280, 54164), (27082, 50560), (27808, 49240), (34760, 39392)]