66647280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39671}}^1$

素因数の和:39694

約数の個数: 80

約数和(自身を含む): 236127744

約数和(自身を除く): 169480464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 39671, 79342, 119013, 158684, 198355, 238026, 277697, 317368, 396710, 476052, 555394, 595065, 634736, 793420, 833091, 952104, 1110788, 1190130, 1388485, 1586840, 1666182, 1904208, 2221576, 2380260, 2776970, 3173680, 3332364, 4165455, 4443152, 4760520, 5553940, 6664728, 8330910, 9521040, 11107880, 13329456, 16661820, 22215760, 33323640, 66647280]

約数ペア:

[(1, 66647280), (2, 33323640), (3, 22215760), (4, 16661820), (5, 13329456), (6, 11107880), (7, 9521040), (8, 8330910), (10, 6664728), (12, 5553940), (14, 4760520), (15, 4443152), (16, 4165455), (20, 3332364), (21, 3173680), (24, 2776970), (28, 2380260), (30, 2221576), (35, 1904208), (40, 1666182), (42, 1586840), (48, 1388485), (56, 1190130), (60, 1110788), (70, 952104), (80, 833091), (84, 793420), (105, 634736), (112, 595065), (120, 555394), (140, 476052), (168, 396710), (210, 317368), (240, 277697), (280, 238026), (336, 198355), (420, 158684), (560, 119013), (840, 79342), (1680, 39671)]