20145300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 68245632

約数和(自身を除く): 48100332

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, 181, 210, 212, 265, 300, 318, 350, 362, 371, 420, 525, 530, 543, 636, 700, 724, 742, 795, 905, 1050, 1060, 1086, 1113, 1267, 1325, 1484, 1590, 1810, 1855, 2100, 2172, 2226, 2534, 2650, 2715, 3180, 3620, 3710, 3801, 3975, 4452, 4525, 5068, 5300, 5430, 5565, 6335, 7420, 7602, 7950, 9050, 9275, 9593, 10860, 11130, 12670, 13575, 15204, 15900, 18100, 18550, 19005, 19186, 22260, 25340, 27150, 27825, 28779, 31675, 37100, 38010, 38372, 47965, 54300, 55650, 57558, 63350, 67151, 76020, 95025, 95930, 111300, 115116, 126700, 134302, 143895, 190050, 191860, 201453, 239825, 268604, 287790, 335755, 380100, 402906, 479650, 575580, 671510, 719475, 805812, 959300, 1007265, 1343020, 1438950, 1678775, 2014530, 2877900, 3357550, 4029060, 5036325, 6715100, 10072650, 20145300]

約数ペア:

[(1, 20145300), (2, 10072650), (3, 6715100), (4, 5036325), (5, 4029060), (6, 3357550), (7, 2877900), (10, 2014530), (12, 1678775), (14, 1438950), (15, 1343020), (20, 1007265), (21, 959300), (25, 805812), (28, 719475), (30, 671510), (35, 575580), (42, 479650), (50, 402906), (53, 380100), (60, 335755), (70, 287790), (75, 268604), (84, 239825), (100, 201453), (105, 191860), (106, 190050), (140, 143895), (150, 134302), (159, 126700), (175, 115116), (181, 111300), (210, 95930), (212, 95025), (265, 76020), (300, 67151), (318, 63350), (350, 57558), (362, 55650), (371, 54300), (420, 47965), (525, 38372), (530, 38010), (543, 37100), (636, 31675), (700, 28779), (724, 27825), (742, 27150), (795, 25340), (905, 22260), (1050, 19186), (1060, 19005), (1086, 18550), (1113, 18100), (1267, 15900), (1325, 15204), (1484, 13575), (1590, 12670), (1810, 11130), (1855, 10860), (2100, 9593), (2172, 9275), (2226, 9050), (2534, 7950), (2650, 7602), (2715, 7420), (3180, 6335), (3620, 5565), (3710, 5430), (3801, 5300), (3975, 5068), (4452, 4525)]