12720264720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1709713}}^1$

素因数の和:1709760

約数の個数: 80

約数和(自身を含む): 40704870912

約数和(自身を除く): 27984606192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 1709713, 3419426, 5129139, 6838852, 8548565, 10258278, 13677704, 17097130, 20516556, 25645695, 27355408, 34194260, 41033112, 51291390, 53001103, 68388520, 82066224, 102582780, 106002206, 136777040, 159003309, 205165560, 212004412, 265005515, 318006618, 410331120, 424008824, 530011030, 636013236, 795016545, 848017648, 1060022060, 1272026472, 1590033090, 2120044120, 2544052944, 3180066180, 4240088240, 6360132360, 12720264720]

約数ペア:

[(1, 12720264720), (2, 6360132360), (3, 4240088240), (4, 3180066180), (5, 2544052944), (6, 2120044120), (8, 1590033090), (10, 1272026472), (12, 1060022060), (15, 848017648), (16, 795016545), (20, 636013236), (24, 530011030), (30, 424008824), (31, 410331120), (40, 318006618), (48, 265005515), (60, 212004412), (62, 205165560), (80, 159003309), (93, 136777040), (120, 106002206), (124, 102582780), (155, 82066224), (186, 68388520), (240, 53001103), (248, 51291390), (310, 41033112), (372, 34194260), (465, 27355408), (496, 25645695), (620, 20516556), (744, 17097130), (930, 13677704), (1240, 10258278), (1488, 8548565), (1860, 6838852), (2480, 5129139), (3720, 3419426), (7440, 1709713)]