31516380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25013}}^1$

素因数の和:25035

約数の個数: 72

約数和(自身を含む): 109261152

約数和(自身を除く): 77744772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 25013, 50026, 75039, 100052, 125065, 150078, 175091, 225117, 250130, 300156, 350182, 375195, 450234, 500260, 525273, 700364, 750390, 875455, 900468, 1050546, 1125585, 1500780, 1575819, 1750910, 2101092, 2251170, 2626365, 3151638, 3501820, 4502340, 5252730, 6303276, 7879095, 10505460, 15758190, 31516380]

約数ペア:

[(1, 31516380), (2, 15758190), (3, 10505460), (4, 7879095), (5, 6303276), (6, 5252730), (7, 4502340), (9, 3501820), (10, 3151638), (12, 2626365), (14, 2251170), (15, 2101092), (18, 1750910), (20, 1575819), (21, 1500780), (28, 1125585), (30, 1050546), (35, 900468), (36, 875455), (42, 750390), (45, 700364), (60, 525273), (63, 500260), (70, 450234), (84, 375195), (90, 350182), (105, 300156), (126, 250130), (140, 225117), (180, 175091), (210, 150078), (252, 125065), (315, 100052), (420, 75039), (630, 50026), (1260, 25013)]