30415960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 74419200

約数和(自身を除く): 44003240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 1291, 2356, 2582, 2945, 4712, 5164, 5890, 6455, 10328, 11780, 12910, 23560, 24529, 25820, 40021, 49058, 51640, 80042, 98116, 122645, 160084, 196232, 200105, 245290, 320168, 400210, 490580, 760399, 800420, 981160, 1520798, 1600840, 3041596, 3801995, 6083192, 7603990, 15207980, 30415960]

約数ペア:

[(1, 30415960), (2, 15207980), (4, 7603990), (5, 6083192), (8, 3801995), (10, 3041596), (19, 1600840), (20, 1520798), (31, 981160), (38, 800420), (40, 760399), (62, 490580), (76, 400210), (95, 320168), (124, 245290), (152, 200105), (155, 196232), (190, 160084), (248, 122645), (310, 98116), (380, 80042), (589, 51640), (620, 49058), (760, 40021), (1178, 25820), (1240, 24529), (1291, 23560), (2356, 12910), (2582, 11780), (2945, 10328), (4712, 6455), (5164, 5890)]