31275300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 105743232

約数和(自身を除く): 74467932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 53, 60, 70, 75, 84, 100, 105, 106, 140, 150, 159, 175, 210, 212, 265, 281, 300, 318, 350, 371, 420, 525, 530, 562, 636, 700, 742, 795, 843, 1050, 1060, 1113, 1124, 1325, 1405, 1484, 1590, 1686, 1855, 1967, 2100, 2226, 2650, 2810, 3180, 3372, 3710, 3934, 3975, 4215, 4452, 5300, 5565, 5620, 5901, 7025, 7420, 7868, 7950, 8430, 9275, 9835, 11130, 11802, 14050, 14893, 15900, 16860, 18550, 19670, 21075, 22260, 23604, 27825, 28100, 29505, 29786, 37100, 39340, 42150, 44679, 49175, 55650, 59010, 59572, 74465, 84300, 89358, 98350, 104251, 111300, 118020, 147525, 148930, 178716, 196700, 208502, 223395, 295050, 297860, 312753, 372325, 417004, 446790, 521255, 590100, 625506, 744650, 893580, 1042510, 1116975, 1251012, 1489300, 1563765, 2085020, 2233950, 2606275, 3127530, 4467900, 5212550, 6255060, 7818825, 10425100, 15637650, 31275300]

約数ペア:

[(1, 31275300), (2, 15637650), (3, 10425100), (4, 7818825), (5, 6255060), (6, 5212550), (7, 4467900), (10, 3127530), (12, 2606275), (14, 2233950), (15, 2085020), (20, 1563765), (21, 1489300), (25, 1251012), (28, 1116975), (30, 1042510), (35, 893580), (42, 744650), (50, 625506), (53, 590100), (60, 521255), (70, 446790), (75, 417004), (84, 372325), (100, 312753), (105, 297860), (106, 295050), (140, 223395), (150, 208502), (159, 196700), (175, 178716), (210, 148930), (212, 147525), (265, 118020), (281, 111300), (300, 104251), (318, 98350), (350, 89358), (371, 84300), (420, 74465), (525, 59572), (530, 59010), (562, 55650), (636, 49175), (700, 44679), (742, 42150), (795, 39340), (843, 37100), (1050, 29786), (1060, 29505), (1113, 28100), (1124, 27825), (1325, 23604), (1405, 22260), (1484, 21075), (1590, 19670), (1686, 18550), (1855, 16860), (1967, 15900), (2100, 14893), (2226, 14050), (2650, 11802), (2810, 11130), (3180, 9835), (3372, 9275), (3710, 8430), (3934, 7950), (3975, 7868), (4215, 7420), (4452, 7025), (5300, 5901), (5565, 5620)]