666286128

素因数分解:

$2^4\times 3^3\times {\mathrm{487}}^1\times {\mathrm{3167}}^1$

素因数の和:3671

約数の個数: 80

約数和(自身を含む): 1917020160

約数和(自身を除く): 1250734032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 487, 974, 1461, 1948, 2922, 3167, 3896, 4383, 5844, 6334, 7792, 8766, 9501, 11688, 12668, 13149, 17532, 19002, 23376, 25336, 26298, 28503, 35064, 38004, 50672, 52596, 57006, 70128, 76008, 85509, 105192, 114012, 152016, 171018, 210384, 228024, 342036, 456048, 684072, 1368144, 1542329, 3084658, 4626987, 6169316, 9253974, 12338632, 13880961, 18507948, 24677264, 27761922, 37015896, 41642883, 55523844, 74031792, 83285766, 111047688, 166571532, 222095376, 333143064, 666286128]

約数ペア:

[(1, 666286128), (2, 333143064), (3, 222095376), (4, 166571532), (6, 111047688), (8, 83285766), (9, 74031792), (12, 55523844), (16, 41642883), (18, 37015896), (24, 27761922), (27, 24677264), (36, 18507948), (48, 13880961), (54, 12338632), (72, 9253974), (108, 6169316), (144, 4626987), (216, 3084658), (432, 1542329), (487, 1368144), (974, 684072), (1461, 456048), (1948, 342036), (2922, 228024), (3167, 210384), (3896, 171018), (4383, 152016), (5844, 114012), (6334, 105192), (7792, 85509), (8766, 76008), (9501, 70128), (11688, 57006), (12668, 52596), (13149, 50672), (17532, 38004), (19002, 35064), (23376, 28503), (25336, 26298)]