72135420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10103}}^1$

素因数の和:10139

約数の個数: 96

約数和(自身を含む): 244435968

約数和(自身を除く): 172300548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 10103, 20206, 30309, 40412, 50515, 60618, 70721, 101030, 121236, 141442, 151545, 171751, 202060, 212163, 282884, 303090, 343502, 353605, 424326, 515253, 606180, 687004, 707210, 848652, 858755, 1030506, 1060815, 1202257, 1414420, 1717510, 2061012, 2121630, 2404514, 2576265, 3435020, 3606771, 4243260, 4809028, 5152530, 6011285, 7213542, 10305060, 12022570, 14427084, 18033855, 24045140, 36067710, 72135420]

約数ペア:

[(1, 72135420), (2, 36067710), (3, 24045140), (4, 18033855), (5, 14427084), (6, 12022570), (7, 10305060), (10, 7213542), (12, 6011285), (14, 5152530), (15, 4809028), (17, 4243260), (20, 3606771), (21, 3435020), (28, 2576265), (30, 2404514), (34, 2121630), (35, 2061012), (42, 1717510), (51, 1414420), (60, 1202257), (68, 1060815), (70, 1030506), (84, 858755), (85, 848652), (102, 707210), (105, 687004), (119, 606180), (140, 515253), (170, 424326), (204, 353605), (210, 343502), (238, 303090), (255, 282884), (340, 212163), (357, 202060), (420, 171751), (476, 151545), (510, 141442), (595, 121236), (714, 101030), (1020, 70721), (1190, 60618), (1428, 50515), (1785, 40412), (2380, 30309), (3570, 20206), (7140, 10103)]