66888540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21859}}^1$

素因数の和:21891

約数の個数: 72

約数和(自身を含む): 214840080

約数和(自身を除く): 147951540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 21859, 43718, 65577, 87436, 109295, 131154, 196731, 218590, 262308, 327885, 371603, 393462, 437180, 655770, 743206, 786924, 983655, 1114809, 1311540, 1486412, 1858015, 1967310, 2229618, 3344427, 3716030, 3934620, 4459236, 5574045, 6688854, 7432060, 11148090, 13377708, 16722135, 22296180, 33444270, 66888540]

約数ペア:

[(1, 66888540), (2, 33444270), (3, 22296180), (4, 16722135), (5, 13377708), (6, 11148090), (9, 7432060), (10, 6688854), (12, 5574045), (15, 4459236), (17, 3934620), (18, 3716030), (20, 3344427), (30, 2229618), (34, 1967310), (36, 1858015), (45, 1486412), (51, 1311540), (60, 1114809), (68, 983655), (85, 786924), (90, 743206), (102, 655770), (153, 437180), (170, 393462), (180, 371603), (204, 327885), (255, 262308), (306, 218590), (340, 196731), (510, 131154), (612, 109295), (765, 87436), (1020, 65577), (1530, 43718), (3060, 21859)]