78213870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 128

約数和(自身を含む): 246758400

約数和(自身を除く): 168544530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 54, 58, 63, 70, 87, 90, 105, 126, 135, 145, 174, 189, 203, 210, 261, 270, 290, 315, 378, 406, 435, 522, 609, 630, 783, 870, 945, 1015, 1218, 1305, 1427, 1566, 1827, 1890, 2030, 2610, 2854, 3045, 3654, 3915, 4281, 5481, 6090, 7135, 7830, 8562, 9135, 9989, 10962, 12843, 14270, 18270, 19978, 21405, 25686, 27405, 29967, 38529, 41383, 42810, 49945, 54810, 59934, 64215, 77058, 82766, 89901, 99890, 124149, 128430, 149835, 179802, 192645, 206915, 248298, 269703, 289681, 299670, 372447, 385290, 413830, 449505, 539406, 579362, 620745, 744894, 869043, 899010, 1117341, 1241490, 1348515, 1448405, 1738086, 1862235, 2234682, 2607129, 2697030, 2896810, 3724470, 4345215, 5214258, 5586705, 7821387, 8690430, 11173410, 13035645, 15642774, 26071290, 39106935, 78213870]

約数ペア:

[(1, 78213870), (2, 39106935), (3, 26071290), (5, 15642774), (6, 13035645), (7, 11173410), (9, 8690430), (10, 7821387), (14, 5586705), (15, 5214258), (18, 4345215), (21, 3724470), (27, 2896810), (29, 2697030), (30, 2607129), (35, 2234682), (42, 1862235), (45, 1738086), (54, 1448405), (58, 1348515), (63, 1241490), (70, 1117341), (87, 899010), (90, 869043), (105, 744894), (126, 620745), (135, 579362), (145, 539406), (174, 449505), (189, 413830), (203, 385290), (210, 372447), (261, 299670), (270, 289681), (290, 269703), (315, 248298), (378, 206915), (406, 192645), (435, 179802), (522, 149835), (609, 128430), (630, 124149), (783, 99890), (870, 89901), (945, 82766), (1015, 77058), (1218, 64215), (1305, 59934), (1427, 54810), (1566, 49945), (1827, 42810), (1890, 41383), (2030, 38529), (2610, 29967), (2854, 27405), (3045, 25686), (3654, 21405), (3915, 19978), (4281, 18270), (5481, 14270), (6090, 12843), (7135, 10962), (7830, 9989), (8562, 9135)]