665000304

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1277}}^1$

素因数の和:1878

約数の個数: 80

約数和(自身を含む): 1812919680

約数和(自身を除く): 1147919376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 571, 912, 1142, 1277, 1713, 2284, 2554, 3426, 3831, 4568, 5108, 6852, 7662, 9136, 10216, 10849, 13704, 15324, 20432, 21698, 24263, 27408, 30648, 32547, 43396, 48526, 61296, 65094, 72789, 86792, 97052, 130188, 145578, 173584, 194104, 260376, 291156, 388208, 520752, 582312, 729167, 1164624, 1458334, 2187501, 2916668, 4375002, 5833336, 8750004, 11666672, 13854173, 17500008, 27708346, 35000016, 41562519, 55416692, 83125038, 110833384, 166250076, 221666768, 332500152, 665000304]

約数ペア:

[(1, 665000304), (2, 332500152), (3, 221666768), (4, 166250076), (6, 110833384), (8, 83125038), (12, 55416692), (16, 41562519), (19, 35000016), (24, 27708346), (38, 17500008), (48, 13854173), (57, 11666672), (76, 8750004), (114, 5833336), (152, 4375002), (228, 2916668), (304, 2187501), (456, 1458334), (571, 1164624), (912, 729167), (1142, 582312), (1277, 520752), (1713, 388208), (2284, 291156), (2554, 260376), (3426, 194104), (3831, 173584), (4568, 145578), (5108, 130188), (6852, 97052), (7662, 86792), (9136, 72789), (10216, 65094), (10849, 61296), (13704, 48526), (15324, 43396), (20432, 32547), (21698, 30648), (24263, 27408)]