64537560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19919}}^1$

素因数の和:19942

約数の個数: 80

約数和(自身を含む): 216928800

約数和(自身を除く): 152391240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 19919, 39838, 59757, 79676, 99595, 119514, 159352, 179271, 199190, 239028, 298785, 358542, 398380, 478056, 537813, 597570, 717084, 796760, 896355, 1075626, 1195140, 1434168, 1613439, 1792710, 2151252, 2390280, 2689065, 3226878, 3585420, 4302504, 5378130, 6453756, 7170840, 8067195, 10756260, 12907512, 16134390, 21512520, 32268780, 64537560]

約数ペア:

[(1, 64537560), (2, 32268780), (3, 21512520), (4, 16134390), (5, 12907512), (6, 10756260), (8, 8067195), (9, 7170840), (10, 6453756), (12, 5378130), (15, 4302504), (18, 3585420), (20, 3226878), (24, 2689065), (27, 2390280), (30, 2151252), (36, 1792710), (40, 1613439), (45, 1434168), (54, 1195140), (60, 1075626), (72, 896355), (81, 796760), (90, 717084), (108, 597570), (120, 537813), (135, 478056), (162, 398380), (180, 358542), (216, 298785), (270, 239028), (324, 199190), (360, 179271), (405, 159352), (540, 119514), (648, 99595), (810, 79676), (1080, 59757), (1620, 39838), (3240, 19919)]