7917840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{1571}}^1$

素因数の和:1597

約数の個数: 120

約数和(自身を含む): 30408768

約数和(自身を除く): 22490928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1571, 1680, 2520, 3142, 4713, 5040, 6284, 7855, 9426, 10997, 12568, 14139, 15710, 18852, 21994, 23565, 25136, 28278, 31420, 32991, 37704, 43988, 47130, 54985, 56556, 62840, 65982, 70695, 75408, 87976, 94260, 98973, 109970, 113112, 125680, 131964, 141390, 164955, 175952, 188520, 197946, 219940, 226224, 263928, 282780, 329910, 377040, 395892, 439880, 494865, 527856, 565560, 659820, 791784, 879760, 989730, 1131120, 1319640, 1583568, 1979460, 2639280, 3958920, 7917840]

約数ペア:

[(1, 7917840), (2, 3958920), (3, 2639280), (4, 1979460), (5, 1583568), (6, 1319640), (7, 1131120), (8, 989730), (9, 879760), (10, 791784), (12, 659820), (14, 565560), (15, 527856), (16, 494865), (18, 439880), (20, 395892), (21, 377040), (24, 329910), (28, 282780), (30, 263928), (35, 226224), (36, 219940), (40, 197946), (42, 188520), (45, 175952), (48, 164955), (56, 141390), (60, 131964), (63, 125680), (70, 113112), (72, 109970), (80, 98973), (84, 94260), (90, 87976), (105, 75408), (112, 70695), (120, 65982), (126, 62840), (140, 56556), (144, 54985), (168, 47130), (180, 43988), (210, 37704), (240, 32991), (252, 31420), (280, 28278), (315, 25136), (336, 23565), (360, 21994), (420, 18852), (504, 15710), (560, 14139), (630, 12568), (720, 10997), (840, 9426), (1008, 7855), (1260, 6284), (1571, 5040), (1680, 4713), (2520, 3142)]