8899980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 27068160

約数和(自身を除く): 18168180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 211, 222, 228, 285, 370, 380, 422, 444, 555, 570, 633, 703, 740, 844, 1055, 1110, 1140, 1266, 1406, 2109, 2110, 2220, 2532, 2812, 3165, 3515, 4009, 4218, 4220, 6330, 7030, 7807, 8018, 8436, 10545, 12027, 12660, 14060, 15614, 16036, 20045, 21090, 23421, 24054, 31228, 39035, 40090, 42180, 46842, 48108, 60135, 78070, 80180, 93684, 117105, 120270, 148333, 156140, 234210, 240540, 296666, 444999, 468420, 593332, 741665, 889998, 1483330, 1779996, 2224995, 2966660, 4449990, 8899980]

約数ペア:

[(1, 8899980), (2, 4449990), (3, 2966660), (4, 2224995), (5, 1779996), (6, 1483330), (10, 889998), (12, 741665), (15, 593332), (19, 468420), (20, 444999), (30, 296666), (37, 240540), (38, 234210), (57, 156140), (60, 148333), (74, 120270), (76, 117105), (95, 93684), (111, 80180), (114, 78070), (148, 60135), (185, 48108), (190, 46842), (211, 42180), (222, 40090), (228, 39035), (285, 31228), (370, 24054), (380, 23421), (422, 21090), (444, 20045), (555, 16036), (570, 15614), (633, 14060), (703, 12660), (740, 12027), (844, 10545), (1055, 8436), (1110, 8018), (1140, 7807), (1266, 7030), (1406, 6330), (2109, 4220), (2110, 4218), (2220, 4009), (2532, 3515), (2812, 3165)]