64656225

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 124575360

約数和(自身を除く): 59919135

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 243, 261, 367, 405, 435, 675, 725, 783, 1101, 1215, 1305, 1835, 2025, 2175, 2349, 3303, 3915, 5505, 6075, 6525, 7047, 9175, 9909, 10643, 11745, 16515, 19575, 27525, 29727, 31929, 35235, 49545, 53215, 58725, 82575, 89181, 95787, 148635, 159645, 176175, 247725, 266075, 287361, 445905, 478935, 743175, 798225, 862083, 1436805, 2229525, 2394675, 2586249, 4310415, 7184025, 12931245, 21552075, 64656225]

約数ペア:

[(1, 64656225), (3, 21552075), (5, 12931245), (9, 7184025), (15, 4310415), (25, 2586249), (27, 2394675), (29, 2229525), (45, 1436805), (75, 862083), (81, 798225), (87, 743175), (135, 478935), (145, 445905), (225, 287361), (243, 266075), (261, 247725), (367, 176175), (405, 159645), (435, 148635), (675, 95787), (725, 89181), (783, 82575), (1101, 58725), (1215, 53215), (1305, 49545), (1835, 35235), (2025, 31929), (2175, 29727), (2349, 27525), (3303, 19575), (3915, 16515), (5505, 11745), (6075, 10643), (6525, 9909), (7047, 9175)]