390203460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{722599}}^1$

素因数の和:722617

約数の個数: 48

約数和(自身を含む): 1213968000

約数和(自身を除く): 823764540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 722599, 1445198, 2167797, 2890396, 3612995, 4335594, 6503391, 7225990, 8671188, 10838985, 13006782, 14451980, 19510173, 21677970, 26013564, 32516955, 39020346, 43355940, 65033910, 78040692, 97550865, 130067820, 195101730, 390203460]

約数ペア:

[(1, 390203460), (2, 195101730), (3, 130067820), (4, 97550865), (5, 78040692), (6, 65033910), (9, 43355940), (10, 39020346), (12, 32516955), (15, 26013564), (18, 21677970), (20, 19510173), (27, 14451980), (30, 13006782), (36, 10838985), (45, 8671188), (54, 7225990), (60, 6503391), (90, 4335594), (108, 3612995), (135, 2890396), (180, 2167797), (270, 1445198), (540, 722599)]