15496780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3137}}^1$

素因数の和:3178

約数の個数: 48

約数和(自身を含む): 36902880

約数和(自身を除く): 21406100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3137, 4940, 6274, 12548, 15685, 31370, 40781, 59603, 62740, 81562, 119206, 163124, 203905, 238412, 298015, 407810, 596030, 774839, 815620, 1192060, 1549678, 3099356, 3874195, 7748390, 15496780]

約数ペア:

[(1, 15496780), (2, 7748390), (4, 3874195), (5, 3099356), (10, 1549678), (13, 1192060), (19, 815620), (20, 774839), (26, 596030), (38, 407810), (52, 298015), (65, 238412), (76, 203905), (95, 163124), (130, 119206), (190, 81562), (247, 62740), (260, 59603), (380, 40781), (494, 31370), (988, 15685), (1235, 12548), (2470, 6274), (3137, 4940)]