81457530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 246343680

約数和(自身を除く): 164886150

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 179, 197, 210, 231, 330, 358, 385, 394, 462, 537, 591, 770, 895, 985, 1074, 1155, 1182, 1253, 1379, 1790, 1969, 1970, 2167, 2310, 2506, 2685, 2758, 2955, 3759, 3938, 4137, 4334, 5370, 5907, 5910, 6265, 6501, 6895, 7518, 8274, 9845, 10835, 11814, 12530, 13002, 13783, 13790, 15169, 18795, 19690, 20685, 21670, 27566, 29535, 30338, 32505, 35263, 37590, 41349, 41370, 45507, 59070, 65010, 68915, 70526, 75845, 82698, 91014, 105789, 137830, 151690, 176315, 206745, 211578, 227535, 246841, 352630, 387893, 413490, 455070, 493682, 528945, 740523, 775786, 1057890, 1163679, 1234205, 1481046, 1939465, 2327358, 2468410, 2715251, 3702615, 3878930, 5430502, 5818395, 7405230, 8145753, 11636790, 13576255, 16291506, 27152510, 40728765, 81457530]

約数ペア:

[(1, 81457530), (2, 40728765), (3, 27152510), (5, 16291506), (6, 13576255), (7, 11636790), (10, 8145753), (11, 7405230), (14, 5818395), (15, 5430502), (21, 3878930), (22, 3702615), (30, 2715251), (33, 2468410), (35, 2327358), (42, 1939465), (55, 1481046), (66, 1234205), (70, 1163679), (77, 1057890), (105, 775786), (110, 740523), (154, 528945), (165, 493682), (179, 455070), (197, 413490), (210, 387893), (231, 352630), (330, 246841), (358, 227535), (385, 211578), (394, 206745), (462, 176315), (537, 151690), (591, 137830), (770, 105789), (895, 91014), (985, 82698), (1074, 75845), (1155, 70526), (1182, 68915), (1253, 65010), (1379, 59070), (1790, 45507), (1969, 41370), (1970, 41349), (2167, 37590), (2310, 35263), (2506, 32505), (2685, 30338), (2758, 29535), (2955, 27566), (3759, 21670), (3938, 20685), (4137, 19690), (4334, 18795), (5370, 15169), (5907, 13790), (5910, 13783), (6265, 13002), (6501, 12530), (6895, 11814), (7518, 10835), (8274, 9845)]