128818620

素因数分解:

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

素因数の和:721

約数の個数: 192

約数和(自身を含む): 467389440

約数和(自身を除く): 338570820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 53, 54, 60, 63, 70, 84, 90, 105, 106, 108, 126, 135, 140, 159, 180, 189, 210, 212, 252, 265, 270, 315, 318, 371, 378, 420, 477, 530, 540, 630, 636, 643, 742, 756, 795, 945, 954, 1060, 1113, 1260, 1286, 1431, 1484, 1590, 1855, 1890, 1908, 1929, 2226, 2385, 2572, 2862, 3180, 3215, 3339, 3710, 3780, 3858, 4452, 4501, 4770, 5565, 5724, 5787, 6430, 6678, 7155, 7420, 7716, 9002, 9540, 9645, 10017, 11130, 11574, 12860, 13356, 13503, 14310, 16695, 17361, 18004, 19290, 20034, 22260, 22505, 23148, 27006, 28620, 28935, 33390, 34079, 34722, 38580, 40068, 40509, 45010, 50085, 54012, 57870, 66780, 67515, 68158, 69444, 81018, 86805, 90020, 100170, 102237, 115740, 121527, 135030, 136316, 162036, 170395, 173610, 200340, 202545, 204474, 238553, 243054, 270060, 306711, 340790, 347220, 405090, 408948, 477106, 486108, 511185, 607635, 613422, 681580, 715659, 810180, 920133, 954212, 1022370, 1192765, 1215270, 1226844, 1431318, 1533555, 1840266, 2044740, 2146977, 2385530, 2430540, 2862636, 3067110, 3578295, 3680532, 4293954, 4600665, 4771060, 6134220, 6440931, 7156590, 8587908, 9201330, 10734885, 12881862, 14313180, 18402660, 21469770, 25763724, 32204655, 42939540, 64409310, 128818620]

約数ペア:

[(1, 128818620), (2, 64409310), (3, 42939540), (4, 32204655), (5, 25763724), (6, 21469770), (7, 18402660), (9, 14313180), (10, 12881862), (12, 10734885), (14, 9201330), (15, 8587908), (18, 7156590), (20, 6440931), (21, 6134220), (27, 4771060), (28, 4600665), (30, 4293954), (35, 3680532), (36, 3578295), (42, 3067110), (45, 2862636), (53, 2430540), (54, 2385530), (60, 2146977), (63, 2044740), (70, 1840266), (84, 1533555), (90, 1431318), (105, 1226844), (106, 1215270), (108, 1192765), (126, 1022370), (135, 954212), (140, 920133), (159, 810180), (180, 715659), (189, 681580), (210, 613422), (212, 607635), (252, 511185), (265, 486108), (270, 477106), (315, 408948), (318, 405090), (371, 347220), (378, 340790), (420, 306711), (477, 270060), (530, 243054), (540, 238553), (630, 204474), (636, 202545), (643, 200340), (742, 173610), (756, 170395), (795, 162036), (945, 136316), (954, 135030), (1060, 121527), (1113, 115740), (1260, 102237), (1286, 100170), (1431, 90020), (1484, 86805), (1590, 81018), (1855, 69444), (1890, 68158), (1908, 67515), (1929, 66780), (2226, 57870), (2385, 54012), (2572, 50085), (2862, 45010), (3180, 40509), (3215, 40068), (3339, 38580), (3710, 34722), (3780, 34079), (3858, 33390), (4452, 28935), (4501, 28620), (4770, 27006), (5565, 23148), (5724, 22505), (5787, 22260), (6430, 20034), (6678, 19290), (7155, 18004), (7420, 17361), (7716, 16695), (9002, 14310), (9540, 13503), (9645, 13356), (10017, 12860), (11130, 11574)]