140541660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1664

約数の個数: 144

約数和(自身を含む): 494387712

約数和(自身を除く): 353846052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1571, 1988, 2130, 2485, 2556, 2982, 3142, 3195, 4260, 4473, 4713, 4970, 5964, 6284, 6390, 7455, 7855, 8946, 9426, 9940, 10997, 12780, 14139, 14910, 15710, 17892, 18852, 21994, 22365, 23565, 28278, 29820, 31420, 32991, 43988, 44730, 47130, 54985, 56556, 65982, 70695, 89460, 94260, 98973, 109970, 111541, 131964, 141390, 164955, 197946, 219940, 223082, 282780, 329910, 334623, 395892, 446164, 494865, 557705, 659820, 669246, 780787, 989730, 1003869, 1115410, 1338492, 1561574, 1673115, 1979460, 2007738, 2230820, 2342361, 3123148, 3346230, 3903935, 4015476, 4684722, 5019345, 6692460, 7027083, 7807870, 9369444, 10038690, 11711805, 14054166, 15615740, 20077380, 23423610, 28108332, 35135415, 46847220, 70270830, 140541660]

約数ペア:

[(1, 140541660), (2, 70270830), (3, 46847220), (4, 35135415), (5, 28108332), (6, 23423610), (7, 20077380), (9, 15615740), (10, 14054166), (12, 11711805), (14, 10038690), (15, 9369444), (18, 7807870), (20, 7027083), (21, 6692460), (28, 5019345), (30, 4684722), (35, 4015476), (36, 3903935), (42, 3346230), (45, 3123148), (60, 2342361), (63, 2230820), (70, 2007738), (71, 1979460), (84, 1673115), (90, 1561574), (105, 1338492), (126, 1115410), (140, 1003869), (142, 989730), (180, 780787), (210, 669246), (213, 659820), (252, 557705), (284, 494865), (315, 446164), (355, 395892), (420, 334623), (426, 329910), (497, 282780), (630, 223082), (639, 219940), (710, 197946), (852, 164955), (994, 141390), (1065, 131964), (1260, 111541), (1278, 109970), (1420, 98973), (1491, 94260), (1571, 89460), (1988, 70695), (2130, 65982), (2485, 56556), (2556, 54985), (2982, 47130), (3142, 44730), (3195, 43988), (4260, 32991), (4473, 31420), (4713, 29820), (4970, 28278), (5964, 23565), (6284, 22365), (6390, 21994), (7455, 18852), (7855, 17892), (8946, 15710), (9426, 14910), (9940, 14139), (10997, 12780)]