16612680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19777}}^1$

素因数の和:19798

約数の個数: 64

約数和(自身を含む): 56960640

約数和(自身を除く): 40347960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 19777, 39554, 59331, 79108, 98885, 118662, 138439, 158216, 197770, 237324, 276878, 296655, 395540, 415317, 474648, 553756, 593310, 692195, 791080, 830634, 1107512, 1186620, 1384390, 1661268, 2076585, 2373240, 2768780, 3322536, 4153170, 5537560, 8306340, 16612680]

約数ペア:

[(1, 16612680), (2, 8306340), (3, 5537560), (4, 4153170), (5, 3322536), (6, 2768780), (7, 2373240), (8, 2076585), (10, 1661268), (12, 1384390), (14, 1186620), (15, 1107512), (20, 830634), (21, 791080), (24, 692195), (28, 593310), (30, 553756), (35, 474648), (40, 415317), (42, 395540), (56, 296655), (60, 276878), (70, 237324), (84, 197770), (105, 158216), (120, 138439), (140, 118662), (168, 98885), (210, 79108), (280, 59331), (420, 39554), (840, 19777)]