19809969690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:581

約数の個数: 256

約数和(自身を含む): 57928089600

約数和(自身を除く): 38118119910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 79, 105, 115, 138, 158, 161, 193, 210, 230, 237, 269, 322, 345, 386, 395, 474, 483, 538, 553, 579, 690, 790, 805, 807, 965, 966, 1106, 1158, 1185, 1345, 1351, 1610, 1614, 1659, 1817, 1883, 1930, 2370, 2415, 2690, 2702, 2765, 2895, 3318, 3634, 3766, 4035, 4053, 4439, 4830, 5451, 5530, 5649, 5790, 6187, 6755, 8070, 8106, 8295, 8878, 9085, 9415, 10902, 11298, 12374, 12719, 13317, 13510, 15247, 16590, 18170, 18561, 18830, 20265, 21251, 22195, 25438, 26634, 27255, 28245, 30494, 30935, 31073, 37122, 38157, 40530, 42502, 43309, 44390, 45741, 51917, 54510, 56490, 61870, 62146, 63595, 63753, 66585, 76235, 76314, 86618, 91482, 92805, 93219, 103834, 106255, 106729, 127190, 127506, 129927, 133170, 148757, 152470, 155365, 155751, 185610, 186438, 190785, 212510, 213458, 216545, 228705, 259585, 259854, 297514, 310730, 311502, 318765, 320187, 350681, 363419, 381570, 433090, 446271, 457410, 466095, 488773, 519170, 533645, 637530, 640374, 649635, 701362, 726838, 743785, 778755, 892542, 932190, 977546, 1052043, 1067290, 1090257, 1194091, 1299270, 1466319, 1487570, 1557510, 1600935, 1753405, 1817095, 2104086, 2180514, 2231355, 2388182, 2443865, 2454767, 2932638, 3201870, 3421411, 3506810, 3582273, 3634190, 4101443, 4462710, 4887730, 4909534, 5260215, 5451285, 5970455, 6842822, 7164546, 7331595, 7364301, 8202886, 8358637, 10264233, 10520430, 10902570, 11940910, 12273835, 12304329, 14663190, 14728602, 16717274, 17107055, 17911365, 20507215, 20528466, 24547670, 24608658, 25075911, 28710101, 34214110, 35822730, 36821505, 41014430, 41793185, 50151822, 51321165, 57420202, 61521645, 73643010, 83586370, 86130303, 94333189, 102642330, 123043290, 125379555, 143550505, 172260606, 188666378, 250759110, 282999567, 287101010, 430651515, 471665945, 565999134, 660332323, 861303030, 943331890, 1320664646, 1414997835, 1980996969, 2829995670, 3301661615, 3961993938, 6603323230, 9904984845, 19809969690]

約数ペア:

[(1, 19809969690), (2, 9904984845), (3, 6603323230), (5, 3961993938), (6, 3301661615), (7, 2829995670), (10, 1980996969), (14, 1414997835), (15, 1320664646), (21, 943331890), (23, 861303030), (30, 660332323), (35, 565999134), (42, 471665945), (46, 430651515), (69, 287101010), (70, 282999567), (79, 250759110), (105, 188666378), (115, 172260606), (138, 143550505), (158, 125379555), (161, 123043290), (193, 102642330), (210, 94333189), (230, 86130303), (237, 83586370), (269, 73643010), (322, 61521645), (345, 57420202), (386, 51321165), (395, 50151822), (474, 41793185), (483, 41014430), (538, 36821505), (553, 35822730), (579, 34214110), (690, 28710101), (790, 25075911), (805, 24608658), (807, 24547670), (965, 20528466), (966, 20507215), (1106, 17911365), (1158, 17107055), (1185, 16717274), (1345, 14728602), (1351, 14663190), (1610, 12304329), (1614, 12273835), (1659, 11940910), (1817, 10902570), (1883, 10520430), (1930, 10264233), (2370, 8358637), (2415, 8202886), (2690, 7364301), (2702, 7331595), (2765, 7164546), (2895, 6842822), (3318, 5970455), (3634, 5451285), (3766, 5260215), (4035, 4909534), (4053, 4887730), (4439, 4462710), (4830, 4101443), (5451, 3634190), (5530, 3582273), (5649, 3506810), (5790, 3421411), (6187, 3201870), (6755, 2932638), (8070, 2454767), (8106, 2443865), (8295, 2388182), (8878, 2231355), (9085, 2180514), (9415, 2104086), (10902, 1817095), (11298, 1753405), (12374, 1600935), (12719, 1557510), (13317, 1487570), (13510, 1466319), (15247, 1299270), (16590, 1194091), (18170, 1090257), (18561, 1067290), (18830, 1052043), (20265, 977546), (21251, 932190), (22195, 892542), (25438, 778755), (26634, 743785), (27255, 726838), (28245, 701362), (30494, 649635), (30935, 640374), (31073, 637530), (37122, 533645), (38157, 519170), (40530, 488773), (42502, 466095), (43309, 457410), (44390, 446271), (45741, 433090), (51917, 381570), (54510, 363419), (56490, 350681), (61870, 320187), (62146, 318765), (63595, 311502), (63753, 310730), (66585, 297514), (76235, 259854), (76314, 259585), (86618, 228705), (91482, 216545), (92805, 213458), (93219, 212510), (103834, 190785), (106255, 186438), (106729, 185610), (127190, 155751), (127506, 155365), (129927, 152470), (133170, 148757)]