16660140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39667}}^1$

素因数の和:39686

約数の個数: 48

約数和(自身を含む): 53313792

約数和(自身を除く): 36653652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 39667, 79334, 119001, 158668, 198335, 238002, 277669, 396670, 476004, 555338, 595005, 793340, 833007, 1110676, 1190010, 1388345, 1666014, 2380020, 2776690, 3332028, 4165035, 5553380, 8330070, 16660140]

約数ペア:

[(1, 16660140), (2, 8330070), (3, 5553380), (4, 4165035), (5, 3332028), (6, 2776690), (7, 2380020), (10, 1666014), (12, 1388345), (14, 1190010), (15, 1110676), (20, 833007), (21, 793340), (28, 595005), (30, 555338), (35, 476004), (42, 396670), (60, 277669), (70, 238002), (84, 198335), (105, 158668), (140, 119001), (210, 79334), (420, 39667)]