42939540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 151901568

約数和(自身を除く): 108962028

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, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 643, 742, 795, 954, 1060, 1113, 1260, 1286, 1484, 1590, 1855, 1908, 1929, 2226, 2385, 2572, 3180, 3215, 3339, 3710, 3858, 4452, 4501, 4770, 5565, 5787, 6430, 6678, 7420, 7716, 9002, 9540, 9645, 11130, 11574, 12860, 13356, 13503, 16695, 18004, 19290, 22260, 22505, 23148, 27006, 28935, 33390, 34079, 38580, 40509, 45010, 54012, 57870, 66780, 67515, 68158, 81018, 90020, 102237, 115740, 135030, 136316, 162036, 170395, 202545, 204474, 238553, 270060, 306711, 340790, 405090, 408948, 477106, 511185, 613422, 681580, 715659, 810180, 954212, 1022370, 1192765, 1226844, 1431318, 1533555, 2044740, 2146977, 2385530, 2862636, 3067110, 3578295, 4293954, 4771060, 6134220, 7156590, 8587908, 10734885, 14313180, 21469770, 42939540]

約数ペア:

[(1, 42939540), (2, 21469770), (3, 14313180), (4, 10734885), (5, 8587908), (6, 7156590), (7, 6134220), (9, 4771060), (10, 4293954), (12, 3578295), (14, 3067110), (15, 2862636), (18, 2385530), (20, 2146977), (21, 2044740), (28, 1533555), (30, 1431318), (35, 1226844), (36, 1192765), (42, 1022370), (45, 954212), (53, 810180), (60, 715659), (63, 681580), (70, 613422), (84, 511185), (90, 477106), (105, 408948), (106, 405090), (126, 340790), (140, 306711), (159, 270060), (180, 238553), (210, 204474), (212, 202545), (252, 170395), (265, 162036), (315, 136316), (318, 135030), (371, 115740), (420, 102237), (477, 90020), (530, 81018), (630, 68158), (636, 67515), (643, 66780), (742, 57870), (795, 54012), (954, 45010), (1060, 40509), (1113, 38580), (1260, 34079), (1286, 33390), (1484, 28935), (1590, 27006), (1855, 23148), (1908, 22505), (1929, 22260), (2226, 19290), (2385, 18004), (2572, 16695), (3180, 13503), (3215, 13356), (3339, 12860), (3710, 11574), (3858, 11130), (4452, 9645), (4501, 9540), (4770, 9002), (5565, 7716), (5787, 7420), (6430, 6678)]