8748180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 31135104

約数和(自身を除く): 22386924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 131, 140, 159, 180, 210, 212, 252, 262, 265, 315, 318, 371, 393, 420, 477, 524, 530, 630, 636, 655, 742, 786, 795, 917, 954, 1060, 1113, 1179, 1260, 1310, 1484, 1572, 1590, 1834, 1855, 1908, 1965, 2226, 2358, 2385, 2620, 2751, 3180, 3339, 3668, 3710, 3930, 4452, 4585, 4716, 4770, 5502, 5565, 5895, 6678, 6943, 7420, 7860, 8253, 9170, 9540, 11004, 11130, 11790, 13356, 13755, 13886, 16506, 16695, 18340, 20829, 22260, 23580, 27510, 27772, 33012, 33390, 34715, 41265, 41658, 48601, 55020, 62487, 66780, 69430, 82530, 83316, 97202, 104145, 124974, 138860, 145803, 165060, 194404, 208290, 243005, 249948, 291606, 312435, 416580, 437409, 486010, 583212, 624870, 729015, 874818, 972020, 1249740, 1458030, 1749636, 2187045, 2916060, 4374090, 8748180]

約数ペア:

[(1, 8748180), (2, 4374090), (3, 2916060), (4, 2187045), (5, 1749636), (6, 1458030), (7, 1249740), (9, 972020), (10, 874818), (12, 729015), (14, 624870), (15, 583212), (18, 486010), (20, 437409), (21, 416580), (28, 312435), (30, 291606), (35, 249948), (36, 243005), (42, 208290), (45, 194404), (53, 165060), (60, 145803), (63, 138860), (70, 124974), (84, 104145), (90, 97202), (105, 83316), (106, 82530), (126, 69430), (131, 66780), (140, 62487), (159, 55020), (180, 48601), (210, 41658), (212, 41265), (252, 34715), (262, 33390), (265, 33012), (315, 27772), (318, 27510), (371, 23580), (393, 22260), (420, 20829), (477, 18340), (524, 16695), (530, 16506), (630, 13886), (636, 13755), (655, 13356), (742, 11790), (786, 11130), (795, 11004), (917, 9540), (954, 9170), (1060, 8253), (1113, 7860), (1179, 7420), (1260, 6943), (1310, 6678), (1484, 5895), (1572, 5565), (1590, 5502), (1834, 4770), (1855, 4716), (1908, 4585), (1965, 4452), (2226, 3930), (2358, 3710), (2385, 3668), (2620, 3339), (2751, 3180)]