27981660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3919}}^1$

素因数の和:3955

約数の個数: 96

約数和(自身を含む): 94832640

約数和(自身を除く): 66850980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 3919, 7140, 7838, 11757, 15676, 19595, 23514, 27433, 39190, 47028, 54866, 58785, 66623, 78380, 82299, 109732, 117570, 133246, 137165, 164598, 199869, 235140, 266492, 274330, 329196, 333115, 399738, 411495, 466361, 548660, 666230, 799476, 822990, 932722, 999345, 1332460, 1399083, 1645980, 1865444, 1998690, 2331805, 2798166, 3997380, 4663610, 5596332, 6995415, 9327220, 13990830, 27981660]

約数ペア:

[(1, 27981660), (2, 13990830), (3, 9327220), (4, 6995415), (5, 5596332), (6, 4663610), (7, 3997380), (10, 2798166), (12, 2331805), (14, 1998690), (15, 1865444), (17, 1645980), (20, 1399083), (21, 1332460), (28, 999345), (30, 932722), (34, 822990), (35, 799476), (42, 666230), (51, 548660), (60, 466361), (68, 411495), (70, 399738), (84, 333115), (85, 329196), (102, 274330), (105, 266492), (119, 235140), (140, 199869), (170, 164598), (204, 137165), (210, 133246), (238, 117570), (255, 109732), (340, 82299), (357, 78380), (420, 66623), (476, 58785), (510, 54866), (595, 47028), (714, 39190), (1020, 27433), (1190, 23514), (1428, 19595), (1785, 15676), (2380, 11757), (3570, 7838), (3919, 7140)]