247920720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27919}}^1$

素因数の和:27972

約数の個数: 80

約数和(自身を含む): 789354240

約数和(自身を除く): 541433520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 27919, 55838, 83757, 111676, 139595, 167514, 223352, 279190, 335028, 418785, 446704, 558380, 670056, 837570, 1033003, 1116760, 1340112, 1675140, 2066006, 2233520, 3099009, 3350280, 4132012, 5165015, 6198018, 6700560, 8264024, 10330030, 12396036, 15495045, 16528048, 20660060, 24792072, 30990090, 41320120, 49584144, 61980180, 82640240, 123960360, 247920720]

約数ペア:

[(1, 247920720), (2, 123960360), (3, 82640240), (4, 61980180), (5, 49584144), (6, 41320120), (8, 30990090), (10, 24792072), (12, 20660060), (15, 16528048), (16, 15495045), (20, 12396036), (24, 10330030), (30, 8264024), (37, 6700560), (40, 6198018), (48, 5165015), (60, 4132012), (74, 3350280), (80, 3099009), (111, 2233520), (120, 2066006), (148, 1675140), (185, 1340112), (222, 1116760), (240, 1033003), (296, 837570), (370, 670056), (444, 558380), (555, 446704), (592, 418785), (740, 335028), (888, 279190), (1110, 223352), (1480, 167514), (1776, 139595), (2220, 111676), (2960, 83757), (4440, 55838), (8880, 27919)]