209615280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{124771}}^1$

素因数の和:124794

約数の個数: 80

約数和(自身を含む): 742642944

約数和(自身を除く): 533027664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 124771, 249542, 374313, 499084, 623855, 748626, 873397, 998168, 1247710, 1497252, 1746794, 1871565, 1996336, 2495420, 2620191, 2994504, 3493588, 3743130, 4366985, 4990840, 5240382, 5989008, 6987176, 7486260, 8733970, 9981680, 10480764, 13100955, 13974352, 14972520, 17467940, 20961528, 26201910, 29945040, 34935880, 41923056, 52403820, 69871760, 104807640, 209615280]

約数ペア:

[(1, 209615280), (2, 104807640), (3, 69871760), (4, 52403820), (5, 41923056), (6, 34935880), (7, 29945040), (8, 26201910), (10, 20961528), (12, 17467940), (14, 14972520), (15, 13974352), (16, 13100955), (20, 10480764), (21, 9981680), (24, 8733970), (28, 7486260), (30, 6987176), (35, 5989008), (40, 5240382), (42, 4990840), (48, 4366985), (56, 3743130), (60, 3493588), (70, 2994504), (80, 2620191), (84, 2495420), (105, 1996336), (112, 1871565), (120, 1746794), (140, 1497252), (168, 1247710), (210, 998168), (240, 873397), (280, 748626), (336, 623855), (420, 499084), (560, 374313), (840, 249542), (1680, 124771)]