28560720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2017}}^1$

素因数の和:2092

約数の個数: 80

約数和(自身を含む): 90083520

約数和(自身を除く): 61522800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 177, 236, 240, 295, 354, 472, 590, 708, 885, 944, 1180, 1416, 1770, 2017, 2360, 2832, 3540, 4034, 4720, 6051, 7080, 8068, 10085, 12102, 14160, 16136, 20170, 24204, 30255, 32272, 40340, 48408, 60510, 80680, 96816, 119003, 121020, 161360, 238006, 242040, 357009, 476012, 484080, 595015, 714018, 952024, 1190030, 1428036, 1785045, 1904048, 2380060, 2856072, 3570090, 4760120, 5712144, 7140180, 9520240, 14280360, 28560720]

約数ペア:

[(1, 28560720), (2, 14280360), (3, 9520240), (4, 7140180), (5, 5712144), (6, 4760120), (8, 3570090), (10, 2856072), (12, 2380060), (15, 1904048), (16, 1785045), (20, 1428036), (24, 1190030), (30, 952024), (40, 714018), (48, 595015), (59, 484080), (60, 476012), (80, 357009), (118, 242040), (120, 238006), (177, 161360), (236, 121020), (240, 119003), (295, 96816), (354, 80680), (472, 60510), (590, 48408), (708, 40340), (885, 32272), (944, 30255), (1180, 24204), (1416, 20170), (1770, 16136), (2017, 14160), (2360, 12102), (2832, 10085), (3540, 8068), (4034, 7080), (4720, 6051)]