20145121500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{9739}}^1$

素因数の和:9965

約数の個数: 192

約数和(自身を含む): 67390202880

約数和(自身を除く): 47245081380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 197, 210, 250, 300, 350, 375, 394, 420, 500, 525, 591, 700, 750, 788, 875, 985, 1050, 1182, 1379, 1500, 1750, 1970, 2100, 2364, 2625, 2758, 2955, 3500, 3940, 4137, 4925, 5250, 5516, 5910, 6895, 8274, 9739, 9850, 10500, 11820, 13790, 14775, 16548, 19478, 19700, 20685, 24625, 27580, 29217, 29550, 34475, 38956, 41370, 48695, 49250, 58434, 59100, 68173, 68950, 73875, 82740, 97390, 98500, 103425, 116868, 136346, 137900, 146085, 147750, 172375, 194780, 204519, 206850, 243475, 272692, 292170, 295500, 340865, 344750, 409038, 413700, 486950, 517125, 584340, 681730, 689500, 730425, 818076, 973900, 1022595, 1034250, 1217375, 1363460, 1460850, 1704325, 1918583, 2045190, 2068500, 2434750, 2921700, 3408650, 3652125, 3837166, 4090380, 4869500, 5112975, 5755749, 6817300, 7304250, 7674332, 8521625, 9592915, 10225950, 11511498, 13430081, 14608500, 17043250, 19185830, 20451900, 23022996, 25564875, 26860162, 28778745, 34086500, 38371660, 40290243, 47964575, 51129750, 53720324, 57557490, 67150405, 80580486, 95929150, 102259500, 115114980, 134300810, 143893725, 161160972, 191858300, 201451215, 239822875, 268601620, 287787450, 335752025, 402902430, 479645750, 575574900, 671504050, 719468625, 805804860, 959291500, 1007256075, 1343008100, 1438937250, 1678760125, 2014512150, 2877874500, 3357520250, 4029024300, 5036280375, 6715040500, 10072560750, 20145121500]

約数ペア:

[(1, 20145121500), (2, 10072560750), (3, 6715040500), (4, 5036280375), (5, 4029024300), (6, 3357520250), (7, 2877874500), (10, 2014512150), (12, 1678760125), (14, 1438937250), (15, 1343008100), (20, 1007256075), (21, 959291500), (25, 805804860), (28, 719468625), (30, 671504050), (35, 575574900), (42, 479645750), (50, 402902430), (60, 335752025), (70, 287787450), (75, 268601620), (84, 239822875), (100, 201451215), (105, 191858300), (125, 161160972), (140, 143893725), (150, 134300810), (175, 115114980), (197, 102259500), (210, 95929150), (250, 80580486), (300, 67150405), (350, 57557490), (375, 53720324), (394, 51129750), (420, 47964575), (500, 40290243), (525, 38371660), (591, 34086500), (700, 28778745), (750, 26860162), (788, 25564875), (875, 23022996), (985, 20451900), (1050, 19185830), (1182, 17043250), (1379, 14608500), (1500, 13430081), (1750, 11511498), (1970, 10225950), (2100, 9592915), (2364, 8521625), (2625, 7674332), (2758, 7304250), (2955, 6817300), (3500, 5755749), (3940, 5112975), (4137, 4869500), (4925, 4090380), (5250, 3837166), (5516, 3652125), (5910, 3408650), (6895, 2921700), (8274, 2434750), (9739, 2068500), (9850, 2045190), (10500, 1918583), (11820, 1704325), (13790, 1460850), (14775, 1363460), (16548, 1217375), (19478, 1034250), (19700, 1022595), (20685, 973900), (24625, 818076), (27580, 730425), (29217, 689500), (29550, 681730), (34475, 584340), (38956, 517125), (41370, 486950), (48695, 413700), (49250, 409038), (58434, 344750), (59100, 340865), (68173, 295500), (68950, 292170), (73875, 272692), (82740, 243475), (97390, 206850), (98500, 204519), (103425, 194780), (116868, 172375), (136346, 147750), (137900, 146085)]