138719280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{82571}}^1$

素因数の和:82594

約数の個数: 80

約数和(自身を含む): 491468544

約数和(自身を除く): 352749264

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, 82571, 165142, 247713, 330284, 412855, 495426, 577997, 660568, 825710, 990852, 1155994, 1238565, 1321136, 1651420, 1733991, 1981704, 2311988, 2477130, 2889985, 3302840, 3467982, 3963408, 4623976, 4954260, 5779970, 6605680, 6935964, 8669955, 9247952, 9908520, 11559940, 13871928, 17339910, 19817040, 23119880, 27743856, 34679820, 46239760, 69359640, 138719280]

約数ペア:

[(1, 138719280), (2, 69359640), (3, 46239760), (4, 34679820), (5, 27743856), (6, 23119880), (7, 19817040), (8, 17339910), (10, 13871928), (12, 11559940), (14, 9908520), (15, 9247952), (16, 8669955), (20, 6935964), (21, 6605680), (24, 5779970), (28, 4954260), (30, 4623976), (35, 3963408), (40, 3467982), (42, 3302840), (48, 2889985), (56, 2477130), (60, 2311988), (70, 1981704), (80, 1733991), (84, 1651420), (105, 1321136), (112, 1238565), (120, 1155994), (140, 990852), (168, 825710), (210, 660568), (240, 577997), (280, 495426), (336, 412855), (420, 330284), (560, 247713), (840, 165142), (1680, 82571)]