51315120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{7919}}^1$

素因数の和:7944

約数の個数: 100

約数和(自身を含む): 178247520

約数和(自身を除く): 126932400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 7919, 15838, 23757, 31676, 39595, 47514, 63352, 71271, 79190, 95028, 118785, 126704, 142542, 158380, 190056, 213813, 237570, 285084, 316760, 356355, 380112, 427626, 475140, 570168, 633520, 641439, 712710, 855252, 950280, 1069065, 1140336, 1282878, 1425420, 1710504, 1900560, 2138130, 2565756, 2850840, 3207195, 3421008, 4276260, 5131512, 5701680, 6414390, 8552520, 10263024, 12828780, 17105040, 25657560, 51315120]

約数ペア:

[(1, 51315120), (2, 25657560), (3, 17105040), (4, 12828780), (5, 10263024), (6, 8552520), (8, 6414390), (9, 5701680), (10, 5131512), (12, 4276260), (15, 3421008), (16, 3207195), (18, 2850840), (20, 2565756), (24, 2138130), (27, 1900560), (30, 1710504), (36, 1425420), (40, 1282878), (45, 1140336), (48, 1069065), (54, 950280), (60, 855252), (72, 712710), (80, 641439), (81, 633520), (90, 570168), (108, 475140), (120, 427626), (135, 380112), (144, 356355), (162, 316760), (180, 285084), (216, 237570), (240, 213813), (270, 190056), (324, 158380), (360, 142542), (405, 126704), (432, 118785), (540, 95028), (648, 79190), (720, 71271), (810, 63352), (1080, 47514), (1296, 39595), (1620, 31676), (2160, 23757), (3240, 15838), (6480, 7919)]