16419760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 27773840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 269, 280, 436, 538, 545, 560, 763, 872, 1076, 1090, 1345, 1526, 1744, 1883, 2152, 2180, 2690, 3052, 3766, 3815, 4304, 4360, 5380, 6104, 7532, 7630, 8720, 9415, 10760, 12208, 15064, 15260, 18830, 21520, 29321, 30128, 30520, 37660, 58642, 61040, 75320, 117284, 146605, 150640, 205247, 234568, 293210, 410494, 469136, 586420, 820988, 1026235, 1172840, 1641976, 2052470, 2345680, 3283952, 4104940, 8209880, 16419760]

約数ペア:

[(1, 16419760), (2, 8209880), (4, 4104940), (5, 3283952), (7, 2345680), (8, 2052470), (10, 1641976), (14, 1172840), (16, 1026235), (20, 820988), (28, 586420), (35, 469136), (40, 410494), (56, 293210), (70, 234568), (80, 205247), (109, 150640), (112, 146605), (140, 117284), (218, 75320), (269, 61040), (280, 58642), (436, 37660), (538, 30520), (545, 30128), (560, 29321), (763, 21520), (872, 18830), (1076, 15260), (1090, 15064), (1345, 12208), (1526, 10760), (1744, 9415), (1883, 8720), (2152, 7630), (2180, 7532), (2690, 6104), (3052, 5380), (3766, 4360), (3815, 4304)]