79998660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 279691776

約数和(自身を除く): 199693116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 173, 180, 210, 252, 315, 346, 367, 420, 519, 630, 692, 734, 865, 1038, 1101, 1211, 1260, 1468, 1557, 1730, 1835, 2076, 2202, 2422, 2569, 2595, 3114, 3303, 3460, 3633, 3670, 4404, 4844, 5138, 5190, 5505, 6055, 6228, 6606, 7266, 7340, 7707, 7785, 10276, 10380, 10899, 11010, 12110, 12845, 13212, 14532, 15414, 15570, 16515, 18165, 21798, 22020, 23121, 24220, 25690, 30828, 31140, 33030, 36330, 38535, 43596, 46242, 51380, 54495, 63491, 66060, 72660, 77070, 92484, 108990, 115605, 126982, 154140, 190473, 217980, 231210, 253964, 317455, 380946, 444437, 462420, 571419, 634910, 761892, 888874, 952365, 1142838, 1269820, 1333311, 1777748, 1904730, 2222185, 2285676, 2666622, 2857095, 3809460, 3999933, 4444370, 5333244, 5714190, 6666555, 7999866, 8888740, 11428380, 13333110, 15999732, 19999665, 26666220, 39999330, 79998660]

約数ペア:

[(1, 79998660), (2, 39999330), (3, 26666220), (4, 19999665), (5, 15999732), (6, 13333110), (7, 11428380), (9, 8888740), (10, 7999866), (12, 6666555), (14, 5714190), (15, 5333244), (18, 4444370), (20, 3999933), (21, 3809460), (28, 2857095), (30, 2666622), (35, 2285676), (36, 2222185), (42, 1904730), (45, 1777748), (60, 1333311), (63, 1269820), (70, 1142838), (84, 952365), (90, 888874), (105, 761892), (126, 634910), (140, 571419), (173, 462420), (180, 444437), (210, 380946), (252, 317455), (315, 253964), (346, 231210), (367, 217980), (420, 190473), (519, 154140), (630, 126982), (692, 115605), (734, 108990), (865, 92484), (1038, 77070), (1101, 72660), (1211, 66060), (1260, 63491), (1468, 54495), (1557, 51380), (1730, 46242), (1835, 43596), (2076, 38535), (2202, 36330), (2422, 33030), (2569, 31140), (2595, 30828), (3114, 25690), (3303, 24220), (3460, 23121), (3633, 22020), (3670, 21798), (4404, 18165), (4844, 16515), (5138, 15570), (5190, 15414), (5505, 14532), (6055, 13212), (6228, 12845), (6606, 12110), (7266, 11010), (7340, 10899), (7707, 10380), (7785, 10276)]