2151249240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1471}}^1\times {\mathrm{1741}}^1$

素因数の和:3233

約数の個数: 128

約数和(自身を含む): 7384965120

約数和(自身を除く): 5233715880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1471, 1741, 2942, 3482, 4413, 5223, 5884, 6964, 7355, 8705, 8826, 10297, 10446, 11768, 12187, 13928, 14710, 17410, 17652, 20594, 20892, 22065, 24374, 26115, 29420, 30891, 34820, 35304, 36561, 41188, 41784, 44130, 48748, 51485, 52230, 58840, 60935, 61782, 69640, 73122, 82376, 88260, 97496, 102970, 104460, 121870, 123564, 146244, 154455, 176520, 182805, 205940, 208920, 243740, 247128, 292488, 308910, 365610, 411880, 487480, 617820, 731220, 1235640, 1462440, 2561011, 5122022, 7683033, 10244044, 12805055, 15366066, 17927077, 20488088, 25610110, 30732132, 35854154, 38415165, 51220220, 53781231, 61464264, 71708308, 76830330, 89635385, 102440440, 107562462, 143416616, 153660660, 179270770, 215124924, 268906155, 307321320, 358541540, 430249848, 537812310, 717083080, 1075624620, 2151249240]

約数ペア:

[(1, 2151249240), (2, 1075624620), (3, 717083080), (4, 537812310), (5, 430249848), (6, 358541540), (7, 307321320), (8, 268906155), (10, 215124924), (12, 179270770), (14, 153660660), (15, 143416616), (20, 107562462), (21, 102440440), (24, 89635385), (28, 76830330), (30, 71708308), (35, 61464264), (40, 53781231), (42, 51220220), (56, 38415165), (60, 35854154), (70, 30732132), (84, 25610110), (105, 20488088), (120, 17927077), (140, 15366066), (168, 12805055), (210, 10244044), (280, 7683033), (420, 5122022), (840, 2561011), (1471, 1462440), (1741, 1235640), (2942, 731220), (3482, 617820), (4413, 487480), (5223, 411880), (5884, 365610), (6964, 308910), (7355, 292488), (8705, 247128), (8826, 243740), (10297, 208920), (10446, 205940), (11768, 182805), (12187, 176520), (13928, 154455), (14710, 146244), (17410, 123564), (17652, 121870), (20594, 104460), (20892, 102970), (22065, 97496), (24374, 88260), (26115, 82376), (29420, 73122), (30891, 69640), (34820, 61782), (35304, 60935), (36561, 58840), (41188, 52230), (41784, 51485), (44130, 48748)]