64775760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38557}}^1$

素因数の和:38580

約数の個数: 80

約数和(自身を含む): 229497216

約数和(自身を除く): 164721456

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, 38557, 77114, 115671, 154228, 192785, 231342, 269899, 308456, 385570, 462684, 539798, 578355, 616912, 771140, 809697, 925368, 1079596, 1156710, 1349495, 1542280, 1619394, 1850736, 2159192, 2313420, 2698990, 3084560, 3238788, 4048485, 4318384, 4626840, 5397980, 6477576, 8096970, 9253680, 10795960, 12955152, 16193940, 21591920, 32387880, 64775760]

約数ペア:

[(1, 64775760), (2, 32387880), (3, 21591920), (4, 16193940), (5, 12955152), (6, 10795960), (7, 9253680), (8, 8096970), (10, 6477576), (12, 5397980), (14, 4626840), (15, 4318384), (16, 4048485), (20, 3238788), (21, 3084560), (24, 2698990), (28, 2313420), (30, 2159192), (35, 1850736), (40, 1619394), (42, 1542280), (48, 1349495), (56, 1156710), (60, 1079596), (70, 925368), (80, 809697), (84, 771140), (105, 616912), (112, 578355), (120, 539798), (140, 462684), (168, 385570), (210, 308456), (240, 269899), (280, 231342), (336, 192785), (420, 154228), (560, 115671), (840, 77114), (1680, 38557)]