731478420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{4337}}^1$

素因数の和:5289

約数の個数: 72

約数和(自身を含む): 2221698024

約数和(自身を除く): 1490219604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 937, 1874, 2811, 3748, 4337, 4685, 5622, 8433, 8674, 9370, 11244, 13011, 14055, 16866, 17348, 18740, 21685, 26022, 28110, 33732, 39033, 42165, 43370, 52044, 56220, 65055, 78066, 84330, 86740, 130110, 156132, 168660, 195165, 260220, 390330, 780660, 4063769, 8127538, 12191307, 16255076, 20318845, 24382614, 36573921, 40637690, 48765228, 60956535, 73147842, 81275380, 121913070, 146295684, 182869605, 243826140, 365739210, 731478420]

約数ペア:

[(1, 731478420), (2, 365739210), (3, 243826140), (4, 182869605), (5, 146295684), (6, 121913070), (9, 81275380), (10, 73147842), (12, 60956535), (15, 48765228), (18, 40637690), (20, 36573921), (30, 24382614), (36, 20318845), (45, 16255076), (60, 12191307), (90, 8127538), (180, 4063769), (937, 780660), (1874, 390330), (2811, 260220), (3748, 195165), (4337, 168660), (4685, 156132), (5622, 130110), (8433, 86740), (8674, 84330), (9370, 78066), (11244, 65055), (13011, 56220), (14055, 52044), (16866, 43370), (17348, 42165), (18740, 39033), (21685, 33732), (26022, 28110)]