208989720

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{2389}}^1$

素因数の和:2421

約数の個数: 128

約数和(自身を含む): 705528000

約数和(自身を除く): 496538280

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, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2389, 2430, 2916, 3240, 3645, 4374, 4778, 4860, 5832, 7167, 7290, 8748, 9556, 9720, 10935, 11945, 14334, 14580, 17496, 19112, 21501, 21870, 23890, 28668, 29160, 35835, 43002, 43740, 47780, 57336, 64503, 71670, 86004, 87480, 95560, 107505, 129006, 143340, 172008, 193509, 215010, 258012, 286680, 322515, 387018, 430020, 516024, 580527, 645030, 774036, 860040, 967545, 1161054, 1290060, 1548072, 1741581, 1935090, 2322108, 2580120, 2902635, 3483162, 3870180, 4644216, 5224743, 5805270, 6966324, 7740360, 8707905, 10449486, 11610540, 13932648, 17415810, 20898972, 23221080, 26123715, 34831620, 41797944, 52247430, 69663240, 104494860, 208989720]

約数ペア:

[(1, 208989720), (2, 104494860), (3, 69663240), (4, 52247430), (5, 41797944), (6, 34831620), (8, 26123715), (9, 23221080), (10, 20898972), (12, 17415810), (15, 13932648), (18, 11610540), (20, 10449486), (24, 8707905), (27, 7740360), (30, 6966324), (36, 5805270), (40, 5224743), (45, 4644216), (54, 3870180), (60, 3483162), (72, 2902635), (81, 2580120), (90, 2322108), (108, 1935090), (120, 1741581), (135, 1548072), (162, 1290060), (180, 1161054), (216, 967545), (243, 860040), (270, 774036), (324, 645030), (360, 580527), (405, 516024), (486, 430020), (540, 387018), (648, 322515), (729, 286680), (810, 258012), (972, 215010), (1080, 193509), (1215, 172008), (1458, 143340), (1620, 129006), (1944, 107505), (2187, 95560), (2389, 87480), (2430, 86004), (2916, 71670), (3240, 64503), (3645, 57336), (4374, 47780), (4778, 43740), (4860, 43002), (5832, 35835), (7167, 29160), (7290, 28668), (8748, 23890), (9556, 21870), (9720, 21501), (10935, 19112), (11945, 17496), (14334, 14580)]