66175960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 152966880

約数和(自身を除く): 86790920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 131, 146, 173, 262, 292, 346, 365, 524, 584, 655, 692, 730, 865, 1048, 1310, 1384, 1460, 1730, 2620, 2920, 3460, 5240, 6920, 9563, 12629, 19126, 22663, 25258, 38252, 45326, 47815, 50516, 63145, 76504, 90652, 95630, 101032, 113315, 126290, 181304, 191260, 226630, 252580, 382520, 453260, 505160, 906520, 1654399, 3308798, 6617596, 8271995, 13235192, 16543990, 33087980, 66175960]

約数ペア:

[(1, 66175960), (2, 33087980), (4, 16543990), (5, 13235192), (8, 8271995), (10, 6617596), (20, 3308798), (40, 1654399), (73, 906520), (131, 505160), (146, 453260), (173, 382520), (262, 252580), (292, 226630), (346, 191260), (365, 181304), (524, 126290), (584, 113315), (655, 101032), (692, 95630), (730, 90652), (865, 76504), (1048, 63145), (1310, 50516), (1384, 47815), (1460, 45326), (1730, 38252), (2620, 25258), (2920, 22663), (3460, 19126), (5240, 12629), (6920, 9563)]