15031900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 36358784

約数和(自身を除く): 21326884

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 373, 403, 620, 650, 746, 775, 806, 1300, 1492, 1550, 1612, 1865, 2015, 3100, 3730, 4030, 4849, 7460, 8060, 9325, 9698, 10075, 11563, 18650, 19396, 20150, 23126, 24245, 37300, 40300, 46252, 48490, 57815, 96980, 115630, 121225, 150319, 231260, 242450, 289075, 300638, 484900, 578150, 601276, 751595, 1156300, 1503190, 3006380, 3757975, 7515950, 15031900]

約数ペア:

[(1, 15031900), (2, 7515950), (4, 3757975), (5, 3006380), (10, 1503190), (13, 1156300), (20, 751595), (25, 601276), (26, 578150), (31, 484900), (50, 300638), (52, 289075), (62, 242450), (65, 231260), (100, 150319), (124, 121225), (130, 115630), (155, 96980), (260, 57815), (310, 48490), (325, 46252), (373, 40300), (403, 37300), (620, 24245), (650, 23126), (746, 20150), (775, 19396), (806, 18650), (1300, 11563), (1492, 10075), (1550, 9698), (1612, 9325), (1865, 8060), (2015, 7460), (3100, 4849), (3730, 4030)]