221271480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1202

約数の個数: 128

約数和(自身を含む): 741830400

約数和(自身を除く): 520558920

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, 180, 211, 216, 270, 360, 422, 540, 633, 844, 971, 1055, 1080, 1266, 1688, 1899, 1942, 2110, 2532, 2913, 3165, 3798, 3884, 4220, 4855, 5064, 5697, 5826, 6330, 7596, 7768, 8440, 8739, 9495, 9710, 11394, 11652, 12660, 14565, 15192, 17478, 18990, 19420, 22788, 23304, 25320, 26217, 28485, 29130, 34956, 37980, 38840, 43695, 45576, 52434, 56970, 58260, 69912, 75960, 87390, 104868, 113940, 116520, 131085, 174780, 204881, 209736, 227880, 262170, 349560, 409762, 524340, 614643, 819524, 1024405, 1048680, 1229286, 1639048, 1843929, 2048810, 2458572, 3073215, 3687858, 4097620, 4917144, 5531787, 6146430, 7375716, 8195240, 9219645, 11063574, 12292860, 14751432, 18439290, 22127148, 24585720, 27658935, 36878580, 44254296, 55317870, 73757160, 110635740, 221271480]

約数ペア:

[(1, 221271480), (2, 110635740), (3, 73757160), (4, 55317870), (5, 44254296), (6, 36878580), (8, 27658935), (9, 24585720), (10, 22127148), (12, 18439290), (15, 14751432), (18, 12292860), (20, 11063574), (24, 9219645), (27, 8195240), (30, 7375716), (36, 6146430), (40, 5531787), (45, 4917144), (54, 4097620), (60, 3687858), (72, 3073215), (90, 2458572), (108, 2048810), (120, 1843929), (135, 1639048), (180, 1229286), (211, 1048680), (216, 1024405), (270, 819524), (360, 614643), (422, 524340), (540, 409762), (633, 349560), (844, 262170), (971, 227880), (1055, 209736), (1080, 204881), (1266, 174780), (1688, 131085), (1899, 116520), (1942, 113940), (2110, 104868), (2532, 87390), (2913, 75960), (3165, 69912), (3798, 58260), (3884, 56970), (4220, 52434), (4855, 45576), (5064, 43695), (5697, 38840), (5826, 37980), (6330, 34956), (7596, 29130), (7768, 28485), (8440, 26217), (8739, 25320), (9495, 23304), (9710, 22788), (11394, 19420), (11652, 18990), (12660, 17478), (14565, 15192)]