12999280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 34997760

約数和(自身を除く): 21998480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 167, 278, 280, 334, 556, 560, 668, 695, 835, 973, 1112, 1169, 1336, 1390, 1670, 1946, 2224, 2338, 2672, 2780, 3340, 3892, 4676, 4865, 5560, 5845, 6680, 7784, 9352, 9730, 11120, 11690, 13360, 15568, 18704, 19460, 23213, 23380, 38920, 46426, 46760, 77840, 92852, 93520, 116065, 162491, 185704, 232130, 324982, 371408, 464260, 649964, 812455, 928520, 1299928, 1624910, 1857040, 2599856, 3249820, 6499640, 12999280]

約数ペア:

[(1, 12999280), (2, 6499640), (4, 3249820), (5, 2599856), (7, 1857040), (8, 1624910), (10, 1299928), (14, 928520), (16, 812455), (20, 649964), (28, 464260), (35, 371408), (40, 324982), (56, 232130), (70, 185704), (80, 162491), (112, 116065), (139, 93520), (140, 92852), (167, 77840), (278, 46760), (280, 46426), (334, 38920), (556, 23380), (560, 23213), (668, 19460), (695, 18704), (835, 15568), (973, 13360), (1112, 11690), (1169, 11120), (1336, 9730), (1390, 9352), (1670, 7784), (1946, 6680), (2224, 5845), (2338, 5560), (2672, 4865), (2780, 4676), (3340, 3892)]