138739440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:599

約数の個数: 160

約数和(自身を含む): 494968320

約数和(自身を除く): 356228880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 269, 280, 307, 336, 420, 538, 560, 614, 807, 840, 921, 1076, 1228, 1345, 1535, 1614, 1680, 1842, 1883, 2149, 2152, 2456, 2690, 3070, 3228, 3684, 3766, 4035, 4298, 4304, 4605, 4912, 5380, 5649, 6140, 6447, 6456, 7368, 7532, 8070, 8596, 9210, 9415, 10745, 10760, 11298, 12280, 12894, 12912, 14736, 15064, 16140, 17192, 18420, 18830, 21490, 21520, 22596, 24560, 25788, 28245, 30128, 32235, 32280, 34384, 36840, 37660, 42980, 45192, 51576, 56490, 64470, 64560, 73680, 75320, 82583, 85960, 90384, 103152, 112980, 128940, 150640, 165166, 171920, 225960, 247749, 257880, 330332, 412915, 451920, 495498, 515760, 578081, 660664, 825830, 990996, 1156162, 1238745, 1321328, 1651660, 1734243, 1981992, 2312324, 2477490, 2890405, 3303320, 3468486, 3963984, 4624648, 4954980, 5780810, 6606640, 6936972, 8671215, 9249296, 9909960, 11561620, 13873944, 17342430, 19819920, 23123240, 27747888, 34684860, 46246480, 69369720, 138739440]

約数ペア:

[(1, 138739440), (2, 69369720), (3, 46246480), (4, 34684860), (5, 27747888), (6, 23123240), (7, 19819920), (8, 17342430), (10, 13873944), (12, 11561620), (14, 9909960), (15, 9249296), (16, 8671215), (20, 6936972), (21, 6606640), (24, 5780810), (28, 4954980), (30, 4624648), (35, 3963984), (40, 3468486), (42, 3303320), (48, 2890405), (56, 2477490), (60, 2312324), (70, 1981992), (80, 1734243), (84, 1651660), (105, 1321328), (112, 1238745), (120, 1156162), (140, 990996), (168, 825830), (210, 660664), (240, 578081), (269, 515760), (280, 495498), (307, 451920), (336, 412915), (420, 330332), (538, 257880), (560, 247749), (614, 225960), (807, 171920), (840, 165166), (921, 150640), (1076, 128940), (1228, 112980), (1345, 103152), (1535, 90384), (1614, 85960), (1680, 82583), (1842, 75320), (1883, 73680), (2149, 64560), (2152, 64470), (2456, 56490), (2690, 51576), (3070, 45192), (3228, 42980), (3684, 37660), (3766, 36840), (4035, 34384), (4298, 32280), (4304, 32235), (4605, 30128), (4912, 28245), (5380, 25788), (5649, 24560), (6140, 22596), (6447, 21520), (6456, 21490), (7368, 18830), (7532, 18420), (8070, 17192), (8596, 16140), (9210, 15064), (9415, 14736), (10745, 12912), (10760, 12894), (11298, 12280)]