16326978920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{22079}}^1$

素因数の和:22255

約数の個数: 128

約数和(自身を含む): 44513280000

約数和(自身を除く): 28186301080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 139, 140, 152, 190, 266, 278, 280, 380, 532, 556, 665, 695, 760, 973, 1064, 1112, 1330, 1390, 1946, 2641, 2660, 2780, 3892, 4865, 5282, 5320, 5560, 7784, 9730, 10564, 13205, 18487, 19460, 21128, 22079, 26410, 36974, 38920, 44158, 52820, 73948, 88316, 92435, 105640, 110395, 147896, 154553, 176632, 184870, 220790, 309106, 369740, 419501, 441580, 618212, 739480, 772765, 839002, 883160, 1236424, 1545530, 1678004, 2097505, 2936507, 3068981, 3091060, 3356008, 4195010, 5873014, 6137962, 6182120, 8390020, 11746028, 12275924, 14682535, 15344905, 16780040, 21482867, 23492056, 24551848, 29365070, 30689810, 42965734, 58310639, 58730140, 61379620, 85931468, 107414335, 116621278, 117460280, 122759240, 171862936, 214828670, 233242556, 291553195, 408174473, 429657340, 466485112, 583106390, 816348946, 859314680, 1166212780, 1632697892, 2040872365, 2332425560, 3265395784, 4081744730, 8163489460, 16326978920]

約数ペア:

[(1, 16326978920), (2, 8163489460), (4, 4081744730), (5, 3265395784), (7, 2332425560), (8, 2040872365), (10, 1632697892), (14, 1166212780), (19, 859314680), (20, 816348946), (28, 583106390), (35, 466485112), (38, 429657340), (40, 408174473), (56, 291553195), (70, 233242556), (76, 214828670), (95, 171862936), (133, 122759240), (139, 117460280), (140, 116621278), (152, 107414335), (190, 85931468), (266, 61379620), (278, 58730140), (280, 58310639), (380, 42965734), (532, 30689810), (556, 29365070), (665, 24551848), (695, 23492056), (760, 21482867), (973, 16780040), (1064, 15344905), (1112, 14682535), (1330, 12275924), (1390, 11746028), (1946, 8390020), (2641, 6182120), (2660, 6137962), (2780, 5873014), (3892, 4195010), (4865, 3356008), (5282, 3091060), (5320, 3068981), (5560, 2936507), (7784, 2097505), (9730, 1678004), (10564, 1545530), (13205, 1236424), (18487, 883160), (19460, 839002), (21128, 772765), (22079, 739480), (26410, 618212), (36974, 441580), (38920, 419501), (44158, 369740), (52820, 309106), (73948, 220790), (88316, 184870), (92435, 176632), (105640, 154553), (110395, 147896)]