64876980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22067}}^1$

素因数の和:22093

約数の個数: 72

約数和(自身を含む): 211323168

約数和(自身を除く): 146446188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22067, 44134, 66201, 88268, 110335, 132402, 154469, 220670, 264804, 308938, 331005, 441340, 463407, 617876, 662010, 772345, 926814, 1081283, 1324020, 1544690, 1853628, 2162566, 2317035, 3089380, 3243849, 4325132, 4634070, 5406415, 6487698, 9268140, 10812830, 12975396, 16219245, 21625660, 32438490, 64876980]

約数ペア:

[(1, 64876980), (2, 32438490), (3, 21625660), (4, 16219245), (5, 12975396), (6, 10812830), (7, 9268140), (10, 6487698), (12, 5406415), (14, 4634070), (15, 4325132), (20, 3243849), (21, 3089380), (28, 2317035), (30, 2162566), (35, 1853628), (42, 1544690), (49, 1324020), (60, 1081283), (70, 926814), (84, 772345), (98, 662010), (105, 617876), (140, 463407), (147, 441340), (196, 331005), (210, 308938), (245, 264804), (294, 220670), (420, 154469), (490, 132402), (588, 110335), (735, 88268), (980, 66201), (1470, 44134), (2940, 22067)]