71565900

素因数分解:

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

素因数の和:720

約数の個数: 144

約数和(自身を含む): 241484544

約数和(自身を除く): 169918644

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, 300, 318, 350, 371, 420, 525, 530, 636, 643, 700, 742, 795, 1050, 1060, 1113, 1286, 1325, 1484, 1590, 1855, 1929, 2100, 2226, 2572, 2650, 3180, 3215, 3710, 3858, 3975, 4452, 4501, 5300, 5565, 6430, 7420, 7716, 7950, 9002, 9275, 9645, 11130, 12860, 13503, 15900, 16075, 18004, 18550, 19290, 22260, 22505, 27006, 27825, 32150, 34079, 37100, 38580, 45010, 48225, 54012, 55650, 64300, 67515, 68158, 90020, 96450, 102237, 111300, 112525, 135030, 136316, 170395, 192900, 204474, 225050, 238553, 270060, 337575, 340790, 408948, 450100, 477106, 511185, 675150, 681580, 715659, 851975, 954212, 1022370, 1192765, 1350300, 1431318, 1703950, 2044740, 2385530, 2555925, 2862636, 3407900, 3578295, 4771060, 5111850, 5963825, 7156590, 10223700, 11927650, 14313180, 17891475, 23855300, 35782950, 71565900]

約数ペア:

[(1, 71565900), (2, 35782950), (3, 23855300), (4, 17891475), (5, 14313180), (6, 11927650), (7, 10223700), (10, 7156590), (12, 5963825), (14, 5111850), (15, 4771060), (20, 3578295), (21, 3407900), (25, 2862636), (28, 2555925), (30, 2385530), (35, 2044740), (42, 1703950), (50, 1431318), (53, 1350300), (60, 1192765), (70, 1022370), (75, 954212), (84, 851975), (100, 715659), (105, 681580), (106, 675150), (140, 511185), (150, 477106), (159, 450100), (175, 408948), (210, 340790), (212, 337575), (265, 270060), (300, 238553), (318, 225050), (350, 204474), (371, 192900), (420, 170395), (525, 136316), (530, 135030), (636, 112525), (643, 111300), (700, 102237), (742, 96450), (795, 90020), (1050, 68158), (1060, 67515), (1113, 64300), (1286, 55650), (1325, 54012), (1484, 48225), (1590, 45010), (1855, 38580), (1929, 37100), (2100, 34079), (2226, 32150), (2572, 27825), (2650, 27006), (3180, 22505), (3215, 22260), (3710, 19290), (3858, 18550), (3975, 18004), (4452, 16075), (4501, 15900), (5300, 13503), (5565, 12860), (6430, 11130), (7420, 9645), (7716, 9275), (7950, 9002)]