1820996940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1439}}^1$

素因数の和:1612

約数の個数: 192

約数和(自身を含む): 6131220480

約数和(自身を除く): 4310223540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 131, 138, 140, 161, 210, 230, 262, 276, 322, 345, 393, 420, 460, 483, 524, 644, 655, 690, 786, 805, 917, 966, 1310, 1380, 1439, 1572, 1610, 1834, 1932, 1965, 2415, 2620, 2751, 2878, 3013, 3220, 3668, 3930, 4317, 4585, 4830, 5502, 5756, 6026, 7195, 7860, 8634, 9039, 9170, 9660, 10073, 11004, 12052, 13755, 14390, 15065, 17268, 18078, 18340, 20146, 21091, 21585, 27510, 28780, 30130, 30219, 33097, 36156, 40292, 42182, 43170, 45195, 50365, 55020, 60260, 60438, 63273, 66194, 84364, 86340, 90390, 99291, 100730, 105455, 120876, 126546, 132388, 151095, 165485, 180780, 188509, 198582, 201460, 210910, 231679, 253092, 302190, 316365, 330970, 377018, 397164, 421820, 463358, 496455, 565527, 604380, 632730, 661940, 695037, 754036, 926716, 942545, 992910, 1131054, 1158395, 1265460, 1319563, 1390074, 1885090, 1985820, 2262108, 2316790, 2639126, 2780148, 2827635, 3475185, 3770180, 3958689, 4335707, 4633580, 5278252, 5655270, 6597815, 6950370, 7917378, 8671414, 11310540, 13007121, 13195630, 13900740, 15834756, 17342828, 19793445, 21678535, 26014242, 26391260, 30349949, 39586890, 43357070, 52028484, 60699898, 65035605, 79173780, 86714140, 91049847, 121399796, 130071210, 151749745, 182099694, 260142420, 303499490, 364199388, 455249235, 606998980, 910498470, 1820996940]

約数ペア:

[(1, 1820996940), (2, 910498470), (3, 606998980), (4, 455249235), (5, 364199388), (6, 303499490), (7, 260142420), (10, 182099694), (12, 151749745), (14, 130071210), (15, 121399796), (20, 91049847), (21, 86714140), (23, 79173780), (28, 65035605), (30, 60699898), (35, 52028484), (42, 43357070), (46, 39586890), (60, 30349949), (69, 26391260), (70, 26014242), (84, 21678535), (92, 19793445), (105, 17342828), (115, 15834756), (131, 13900740), (138, 13195630), (140, 13007121), (161, 11310540), (210, 8671414), (230, 7917378), (262, 6950370), (276, 6597815), (322, 5655270), (345, 5278252), (393, 4633580), (420, 4335707), (460, 3958689), (483, 3770180), (524, 3475185), (644, 2827635), (655, 2780148), (690, 2639126), (786, 2316790), (805, 2262108), (917, 1985820), (966, 1885090), (1310, 1390074), (1380, 1319563), (1439, 1265460), (1572, 1158395), (1610, 1131054), (1834, 992910), (1932, 942545), (1965, 926716), (2415, 754036), (2620, 695037), (2751, 661940), (2878, 632730), (3013, 604380), (3220, 565527), (3668, 496455), (3930, 463358), (4317, 421820), (4585, 397164), (4830, 377018), (5502, 330970), (5756, 316365), (6026, 302190), (7195, 253092), (7860, 231679), (8634, 210910), (9039, 201460), (9170, 198582), (9660, 188509), (10073, 180780), (11004, 165485), (12052, 151095), (13755, 132388), (14390, 126546), (15065, 120876), (17268, 105455), (18078, 100730), (18340, 99291), (20146, 90390), (21091, 86340), (21585, 84364), (27510, 66194), (28780, 63273), (30130, 60438), (30219, 60260), (33097, 55020), (36156, 50365), (40292, 45195), (42182, 43170)]