65720970

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 160

約数和(自身を含む): 206160768

約数和(自身を除く): 140439798

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 67, 70, 81, 90, 105, 126, 134, 135, 162, 173, 189, 201, 210, 270, 315, 335, 346, 378, 402, 405, 469, 519, 567, 603, 630, 670, 810, 865, 938, 945, 1005, 1038, 1134, 1206, 1211, 1407, 1557, 1730, 1809, 1890, 2010, 2345, 2422, 2595, 2814, 2835, 3015, 3114, 3618, 3633, 4221, 4671, 4690, 5190, 5427, 5670, 6030, 6055, 7035, 7266, 7785, 8442, 9045, 9342, 10854, 10899, 11591, 12110, 12663, 14013, 14070, 15570, 18090, 18165, 21105, 21798, 23182, 23355, 25326, 27135, 28026, 32697, 34773, 36330, 37989, 42210, 46710, 54270, 54495, 57955, 63315, 65394, 69546, 70065, 75978, 81137, 98091, 104319, 108990, 115910, 126630, 140130, 162274, 163485, 173865, 189945, 196182, 208638, 243411, 312957, 326970, 347730, 379890, 405685, 486822, 490455, 521595, 625914, 730233, 811370, 938871, 980910, 1043190, 1217055, 1460466, 1564785, 1877742, 2190699, 2434110, 3129570, 3651165, 4381398, 4694355, 6572097, 7302330, 9388710, 10953495, 13144194, 21906990, 32860485, 65720970]

約数ペア:

[(1, 65720970), (2, 32860485), (3, 21906990), (5, 13144194), (6, 10953495), (7, 9388710), (9, 7302330), (10, 6572097), (14, 4694355), (15, 4381398), (18, 3651165), (21, 3129570), (27, 2434110), (30, 2190699), (35, 1877742), (42, 1564785), (45, 1460466), (54, 1217055), (63, 1043190), (67, 980910), (70, 938871), (81, 811370), (90, 730233), (105, 625914), (126, 521595), (134, 490455), (135, 486822), (162, 405685), (173, 379890), (189, 347730), (201, 326970), (210, 312957), (270, 243411), (315, 208638), (335, 196182), (346, 189945), (378, 173865), (402, 163485), (405, 162274), (469, 140130), (519, 126630), (567, 115910), (603, 108990), (630, 104319), (670, 98091), (810, 81137), (865, 75978), (938, 70065), (945, 69546), (1005, 65394), (1038, 63315), (1134, 57955), (1206, 54495), (1211, 54270), (1407, 46710), (1557, 42210), (1730, 37989), (1809, 36330), (1890, 34773), (2010, 32697), (2345, 28026), (2422, 27135), (2595, 25326), (2814, 23355), (2835, 23182), (3015, 21798), (3114, 21105), (3618, 18165), (3633, 18090), (4221, 15570), (4671, 14070), (4690, 14013), (5190, 12663), (5427, 12110), (5670, 11591), (6030, 10899), (6055, 10854), (7035, 9342), (7266, 9045), (7785, 8442)]