129668720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 314497728

約数和(自身を除く): 184829008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 71, 74, 80, 142, 148, 185, 284, 296, 355, 370, 568, 592, 617, 710, 740, 1136, 1234, 1420, 1480, 2468, 2627, 2840, 2960, 3085, 4936, 5254, 5680, 6170, 9872, 10508, 12340, 13135, 21016, 22829, 24680, 26270, 42032, 43807, 45658, 49360, 52540, 87614, 91316, 105080, 114145, 175228, 182632, 210160, 219035, 228290, 350456, 365264, 438070, 456580, 700912, 876140, 913160, 1620859, 1752280, 1826320, 3241718, 3504560, 6483436, 8104295, 12966872, 16208590, 25933744, 32417180, 64834360, 129668720]

約数ペア:

[(1, 129668720), (2, 64834360), (4, 32417180), (5, 25933744), (8, 16208590), (10, 12966872), (16, 8104295), (20, 6483436), (37, 3504560), (40, 3241718), (71, 1826320), (74, 1752280), (80, 1620859), (142, 913160), (148, 876140), (185, 700912), (284, 456580), (296, 438070), (355, 365264), (370, 350456), (568, 228290), (592, 219035), (617, 210160), (710, 182632), (740, 175228), (1136, 114145), (1234, 105080), (1420, 91316), (1480, 87614), (2468, 52540), (2627, 49360), (2840, 45658), (2960, 43807), (3085, 42032), (4936, 26270), (5254, 24680), (5680, 22829), (6170, 21016), (9872, 13135), (10508, 12340)]