161720580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:914

約数の個数: 144

約数和(自身を含む): 535260096

約数和(自身を除く): 373539516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 134, 140, 147, 196, 201, 210, 245, 268, 294, 335, 402, 420, 469, 490, 588, 670, 735, 804, 821, 938, 980, 1005, 1340, 1407, 1470, 1642, 1876, 2010, 2345, 2463, 2814, 2940, 3283, 3284, 4020, 4105, 4690, 4926, 5628, 5747, 6566, 7035, 8210, 9380, 9849, 9852, 11494, 12315, 13132, 14070, 16415, 16420, 17241, 19698, 22988, 24630, 28140, 28735, 32830, 34482, 39396, 40229, 49245, 49260, 55007, 57470, 65660, 68964, 80458, 86205, 98490, 110014, 114940, 120687, 160916, 165021, 172410, 196980, 201145, 220028, 241374, 275035, 330042, 344820, 385049, 402290, 482748, 550070, 603435, 660084, 770098, 804580, 825105, 1100140, 1155147, 1206870, 1540196, 1650210, 1925245, 2310294, 2413740, 2695343, 3300420, 3850490, 4620588, 5390686, 5775735, 7700980, 8086029, 10781372, 11551470, 13476715, 16172058, 23102940, 26953430, 32344116, 40430145, 53906860, 80860290, 161720580]

約数ペア:

[(1, 161720580), (2, 80860290), (3, 53906860), (4, 40430145), (5, 32344116), (6, 26953430), (7, 23102940), (10, 16172058), (12, 13476715), (14, 11551470), (15, 10781372), (20, 8086029), (21, 7700980), (28, 5775735), (30, 5390686), (35, 4620588), (42, 3850490), (49, 3300420), (60, 2695343), (67, 2413740), (70, 2310294), (84, 1925245), (98, 1650210), (105, 1540196), (134, 1206870), (140, 1155147), (147, 1100140), (196, 825105), (201, 804580), (210, 770098), (245, 660084), (268, 603435), (294, 550070), (335, 482748), (402, 402290), (420, 385049), (469, 344820), (490, 330042), (588, 275035), (670, 241374), (735, 220028), (804, 201145), (821, 196980), (938, 172410), (980, 165021), (1005, 160916), (1340, 120687), (1407, 114940), (1470, 110014), (1642, 98490), (1876, 86205), (2010, 80458), (2345, 68964), (2463, 65660), (2814, 57470), (2940, 55007), (3283, 49260), (3284, 49245), (4020, 40229), (4105, 39396), (4690, 34482), (4926, 32830), (5628, 28735), (5747, 28140), (6566, 24630), (7035, 22988), (8210, 19698), (9380, 17241), (9849, 16420), (9852, 16415), (11494, 14070), (12315, 13132)]