321679080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2168

約数の個数: 128

約数和(自身を含む): 1080000000

約数和(自身を除く): 758320920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 149, 180, 216, 270, 298, 360, 447, 540, 596, 745, 894, 1080, 1192, 1341, 1490, 1788, 1999, 2235, 2682, 2980, 3576, 3998, 4023, 4470, 5364, 5960, 5997, 6705, 7996, 8046, 8940, 9995, 10728, 11994, 13410, 15992, 16092, 17880, 17991, 19990, 20115, 23988, 26820, 29985, 32184, 35982, 39980, 40230, 47976, 53640, 53973, 59970, 71964, 79960, 80460, 89955, 107946, 119940, 143928, 160920, 179910, 215892, 239880, 269865, 297851, 359820, 431784, 539730, 595702, 719640, 893553, 1079460, 1191404, 1489255, 1787106, 2158920, 2382808, 2680659, 2978510, 3574212, 4467765, 5361318, 5957020, 7148424, 8041977, 8935530, 10722636, 11914040, 13403295, 16083954, 17871060, 21445272, 26806590, 32167908, 35742120, 40209885, 53613180, 64335816, 80419770, 107226360, 160839540, 321679080]

約数ペア:

[(1, 321679080), (2, 160839540), (3, 107226360), (4, 80419770), (5, 64335816), (6, 53613180), (8, 40209885), (9, 35742120), (10, 32167908), (12, 26806590), (15, 21445272), (18, 17871060), (20, 16083954), (24, 13403295), (27, 11914040), (30, 10722636), (36, 8935530), (40, 8041977), (45, 7148424), (54, 5957020), (60, 5361318), (72, 4467765), (90, 3574212), (108, 2978510), (120, 2680659), (135, 2382808), (149, 2158920), (180, 1787106), (216, 1489255), (270, 1191404), (298, 1079460), (360, 893553), (447, 719640), (540, 595702), (596, 539730), (745, 431784), (894, 359820), (1080, 297851), (1192, 269865), (1341, 239880), (1490, 215892), (1788, 179910), (1999, 160920), (2235, 143928), (2682, 119940), (2980, 107946), (3576, 89955), (3998, 80460), (4023, 79960), (4470, 71964), (5364, 59970), (5960, 53973), (5997, 53640), (6705, 47976), (7996, 40230), (8046, 39980), (8940, 35982), (9995, 32184), (10728, 29985), (11994, 26820), (13410, 23988), (15992, 20115), (16092, 19990), (17880, 17991)]