15696420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 44307648

約数和(自身を除く): 28611228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 1997, 2620, 3930, 3994, 5991, 7860, 7988, 9985, 11982, 19970, 23964, 29955, 39940, 59910, 119820, 261607, 523214, 784821, 1046428, 1308035, 1569642, 2616070, 3139284, 3924105, 5232140, 7848210, 15696420]

約数ペア:

[(1, 15696420), (2, 7848210), (3, 5232140), (4, 3924105), (5, 3139284), (6, 2616070), (10, 1569642), (12, 1308035), (15, 1046428), (20, 784821), (30, 523214), (60, 261607), (131, 119820), (262, 59910), (393, 39940), (524, 29955), (655, 23964), (786, 19970), (1310, 11982), (1572, 9985), (1965, 7988), (1997, 7860), (2620, 5991), (3930, 3994)]