979975980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:824

約数の個数: 144

約数和(自身を含む): 3046680000

約数和(自身を除く): 2066704020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 149, 180, 183, 244, 298, 305, 366, 447, 549, 596, 599, 610, 732, 745, 894, 915, 1098, 1198, 1220, 1341, 1490, 1788, 1797, 1830, 2196, 2235, 2396, 2682, 2745, 2980, 2995, 3594, 3660, 4470, 5364, 5391, 5490, 5990, 6705, 7188, 8940, 8985, 9089, 10782, 10980, 11980, 13410, 17970, 18178, 21564, 26820, 26955, 27267, 35940, 36356, 36539, 45445, 53910, 54534, 73078, 81801, 89251, 90890, 107820, 109068, 109617, 136335, 146156, 163602, 178502, 181780, 182695, 219234, 267753, 272670, 327204, 328851, 357004, 365390, 409005, 438468, 446255, 535506, 545340, 548085, 657702, 730780, 803259, 818010, 892510, 1071012, 1096170, 1315404, 1338765, 1606518, 1636020, 1644255, 1785020, 2192340, 2677530, 3213036, 3288510, 4016295, 5355060, 5444311, 6577020, 8032590, 10888622, 16065180, 16332933, 21777244, 27221555, 32665866, 48998799, 54443110, 65331732, 81664665, 97997598, 108886220, 163329330, 195995196, 244993995, 326658660, 489987990, 979975980]

約数ペア:

[(1, 979975980), (2, 489987990), (3, 326658660), (4, 244993995), (5, 195995196), (6, 163329330), (9, 108886220), (10, 97997598), (12, 81664665), (15, 65331732), (18, 54443110), (20, 48998799), (30, 32665866), (36, 27221555), (45, 21777244), (60, 16332933), (61, 16065180), (90, 10888622), (122, 8032590), (149, 6577020), (180, 5444311), (183, 5355060), (244, 4016295), (298, 3288510), (305, 3213036), (366, 2677530), (447, 2192340), (549, 1785020), (596, 1644255), (599, 1636020), (610, 1606518), (732, 1338765), (745, 1315404), (894, 1096170), (915, 1071012), (1098, 892510), (1198, 818010), (1220, 803259), (1341, 730780), (1490, 657702), (1788, 548085), (1797, 545340), (1830, 535506), (2196, 446255), (2235, 438468), (2396, 409005), (2682, 365390), (2745, 357004), (2980, 328851), (2995, 327204), (3594, 272670), (3660, 267753), (4470, 219234), (5364, 182695), (5391, 181780), (5490, 178502), (5990, 163602), (6705, 146156), (7188, 136335), (8940, 109617), (8985, 109068), (9089, 107820), (10782, 90890), (10980, 89251), (11980, 81801), (13410, 73078), (17970, 54534), (18178, 53910), (21564, 45445), (26820, 36539), (26955, 36356), (27267, 35940)]