71710020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1481}}^1$

素因数の和:1765

約数の個数: 72

約数和(自身を含む): 218476440

約数和(自身を除く): 146766420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1481, 1614, 2421, 2690, 2962, 3228, 4035, 4443, 4842, 5380, 5924, 7405, 8070, 8886, 9684, 12105, 13329, 14810, 16140, 17772, 22215, 24210, 26658, 29620, 44430, 48420, 53316, 66645, 88860, 133290, 266580, 398389, 796778, 1195167, 1593556, 1991945, 2390334, 3585501, 3983890, 4780668, 5975835, 7171002, 7967780, 11951670, 14342004, 17927505, 23903340, 35855010, 71710020]

約数ペア:

[(1, 71710020), (2, 35855010), (3, 23903340), (4, 17927505), (5, 14342004), (6, 11951670), (9, 7967780), (10, 7171002), (12, 5975835), (15, 4780668), (18, 3983890), (20, 3585501), (30, 2390334), (36, 1991945), (45, 1593556), (60, 1195167), (90, 796778), (180, 398389), (269, 266580), (538, 133290), (807, 88860), (1076, 66645), (1345, 53316), (1481, 48420), (1614, 44430), (2421, 29620), (2690, 26658), (2962, 24210), (3228, 22215), (4035, 17772), (4443, 16140), (4842, 14810), (5380, 13329), (5924, 12105), (7405, 9684), (8070, 8886)]