247263660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{631}}^1$

素因数の和:964

約数の個数: 144

約数和(自身を含む): 861299712

約数和(自身を除く): 614036052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 311, 315, 420, 622, 630, 631, 933, 1244, 1260, 1262, 1555, 1866, 1893, 2177, 2524, 2799, 3110, 3155, 3732, 3786, 4354, 4417, 4665, 5598, 5679, 6220, 6310, 6531, 7572, 8708, 8834, 9330, 9465, 10885, 11196, 11358, 12620, 13062, 13251, 13995, 17668, 18660, 18930, 19593, 21770, 22085, 22716, 26124, 26502, 27990, 28395, 32655, 37860, 39186, 39753, 43540, 44170, 53004, 55980, 56790, 65310, 66255, 78372, 79506, 88340, 97965, 113580, 130620, 132510, 159012, 195930, 196241, 198765, 265020, 391860, 392482, 397530, 588723, 784964, 795060, 981205, 1177446, 1373687, 1766169, 1962410, 2354892, 2747374, 2943615, 3532338, 3924820, 4121061, 5494748, 5887230, 6868435, 7064676, 8242122, 8830845, 11774460, 12363183, 13736870, 16484244, 17661690, 20605305, 24726366, 27473740, 35323380, 41210610, 49452732, 61815915, 82421220, 123631830, 247263660]

約数ペア:

[(1, 247263660), (2, 123631830), (3, 82421220), (4, 61815915), (5, 49452732), (6, 41210610), (7, 35323380), (9, 27473740), (10, 24726366), (12, 20605305), (14, 17661690), (15, 16484244), (18, 13736870), (20, 12363183), (21, 11774460), (28, 8830845), (30, 8242122), (35, 7064676), (36, 6868435), (42, 5887230), (45, 5494748), (60, 4121061), (63, 3924820), (70, 3532338), (84, 2943615), (90, 2747374), (105, 2354892), (126, 1962410), (140, 1766169), (180, 1373687), (210, 1177446), (252, 981205), (311, 795060), (315, 784964), (420, 588723), (622, 397530), (630, 392482), (631, 391860), (933, 265020), (1244, 198765), (1260, 196241), (1262, 195930), (1555, 159012), (1866, 132510), (1893, 130620), (2177, 113580), (2524, 97965), (2799, 88340), (3110, 79506), (3155, 78372), (3732, 66255), (3786, 65310), (4354, 56790), (4417, 55980), (4665, 53004), (5598, 44170), (5679, 43540), (6220, 39753), (6310, 39186), (6531, 37860), (7572, 32655), (8708, 28395), (8834, 27990), (9330, 26502), (9465, 26124), (10885, 22716), (11196, 22085), (11358, 21770), (12620, 19593), (13062, 18930), (13251, 18660), (13995, 17668)]