20549631480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{70501}}^1$

素因数の和:70869

約数の個数: 128

約数和(自身を含む): 70659924480

約数和(自身を除く): 50110293000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 347, 420, 694, 840, 1041, 1388, 1735, 2082, 2429, 2776, 3470, 4164, 4858, 5205, 6940, 7287, 8328, 9716, 10410, 12145, 13880, 14574, 19432, 20820, 24290, 29148, 36435, 41640, 48580, 58296, 70501, 72870, 97160, 141002, 145740, 211503, 282004, 291480, 352505, 423006, 493507, 564008, 705010, 846012, 987014, 1057515, 1410020, 1480521, 1692024, 1974028, 2115030, 2467535, 2820040, 2961042, 3948056, 4230060, 4935070, 5922084, 7402605, 8460120, 9870140, 11844168, 14805210, 19740280, 24463847, 29610420, 48927694, 59220840, 73391541, 97855388, 122319235, 146783082, 171246929, 195710776, 244638470, 293566164, 342493858, 366957705, 489276940, 513740787, 587132328, 684987716, 733915410, 856234645, 978553880, 1027481574, 1369975432, 1467830820, 1712469290, 2054963148, 2568703935, 2935661640, 3424938580, 4109926296, 5137407870, 6849877160, 10274815740, 20549631480]

約数ペア:

[(1, 20549631480), (2, 10274815740), (3, 6849877160), (4, 5137407870), (5, 4109926296), (6, 3424938580), (7, 2935661640), (8, 2568703935), (10, 2054963148), (12, 1712469290), (14, 1467830820), (15, 1369975432), (20, 1027481574), (21, 978553880), (24, 856234645), (28, 733915410), (30, 684987716), (35, 587132328), (40, 513740787), (42, 489276940), (56, 366957705), (60, 342493858), (70, 293566164), (84, 244638470), (105, 195710776), (120, 171246929), (140, 146783082), (168, 122319235), (210, 97855388), (280, 73391541), (347, 59220840), (420, 48927694), (694, 29610420), (840, 24463847), (1041, 19740280), (1388, 14805210), (1735, 11844168), (2082, 9870140), (2429, 8460120), (2776, 7402605), (3470, 5922084), (4164, 4935070), (4858, 4230060), (5205, 3948056), (6940, 2961042), (7287, 2820040), (8328, 2467535), (9716, 2115030), (10410, 1974028), (12145, 1692024), (13880, 1480521), (14574, 1410020), (19432, 1057515), (20820, 987014), (24290, 846012), (29148, 705010), (36435, 564008), (41640, 493507), (48580, 423006), (58296, 352505), (70501, 291480), (72870, 282004), (97160, 211503), (141002, 145740)]