281938860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{74587}}^1$

素因数の和:74612

約数の個数: 96

約数和(自身を含む): 1002462720

約数和(自身を除く): 720523860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 74587, 149174, 223761, 298348, 372935, 447522, 522109, 671283, 745870, 895044, 1044218, 1118805, 1342566, 1491740, 1566327, 2013849, 2088436, 2237610, 2610545, 2685132, 3132654, 3356415, 4027698, 4475220, 4698981, 5221090, 6265308, 6712830, 7831635, 8055396, 9397962, 10069245, 10442180, 13425660, 14096943, 15663270, 18795924, 20138490, 23494905, 28193886, 31326540, 40276980, 46989810, 56387772, 70484715, 93979620, 140969430, 281938860]

約数ペア:

[(1, 281938860), (2, 140969430), (3, 93979620), (4, 70484715), (5, 56387772), (6, 46989810), (7, 40276980), (9, 31326540), (10, 28193886), (12, 23494905), (14, 20138490), (15, 18795924), (18, 15663270), (20, 14096943), (21, 13425660), (27, 10442180), (28, 10069245), (30, 9397962), (35, 8055396), (36, 7831635), (42, 6712830), (45, 6265308), (54, 5221090), (60, 4698981), (63, 4475220), (70, 4027698), (84, 3356415), (90, 3132654), (105, 2685132), (108, 2610545), (126, 2237610), (135, 2088436), (140, 2013849), (180, 1566327), (189, 1491740), (210, 1342566), (252, 1118805), (270, 1044218), (315, 895044), (378, 745870), (420, 671283), (540, 522109), (630, 447522), (756, 372935), (945, 298348), (1260, 223761), (1890, 149174), (3780, 74587)]