19819920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 42051120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269, 307, 538, 614, 807, 921, 1076, 1228, 1345, 1535, 1614, 1842, 2152, 2456, 2690, 3070, 3228, 3684, 4035, 4304, 4605, 4912, 5380, 6140, 6456, 7368, 8070, 9210, 10760, 12280, 12912, 14736, 16140, 18420, 21520, 24560, 32280, 36840, 64560, 73680, 82583, 165166, 247749, 330332, 412915, 495498, 660664, 825830, 990996, 1238745, 1321328, 1651660, 1981992, 2477490, 3303320, 3963984, 4954980, 6606640, 9909960, 19819920]

約数ペア:

[(1, 19819920), (2, 9909960), (3, 6606640), (4, 4954980), (5, 3963984), (6, 3303320), (8, 2477490), (10, 1981992), (12, 1651660), (15, 1321328), (16, 1238745), (20, 990996), (24, 825830), (30, 660664), (40, 495498), (48, 412915), (60, 330332), (80, 247749), (120, 165166), (240, 82583), (269, 73680), (307, 64560), (538, 36840), (614, 32280), (807, 24560), (921, 21520), (1076, 18420), (1228, 16140), (1345, 14736), (1535, 12912), (1614, 12280), (1842, 10760), (2152, 9210), (2456, 8070), (2690, 7368), (3070, 6456), (3228, 6140), (3684, 5380), (4035, 4912), (4304, 4605)]