400051440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2192

約数の個数: 160

約数和(自身を含む): 1394107200

約数和(自身を除く): 994055760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 89, 90, 108, 120, 135, 144, 178, 180, 216, 240, 267, 270, 356, 360, 432, 445, 534, 540, 712, 720, 801, 890, 1068, 1080, 1335, 1424, 1602, 1780, 2081, 2136, 2160, 2403, 2670, 3204, 3560, 4005, 4162, 4272, 4806, 5340, 6243, 6408, 7120, 8010, 8324, 9612, 10405, 10680, 12015, 12486, 12816, 16020, 16648, 18729, 19224, 20810, 21360, 24030, 24972, 31215, 32040, 33296, 37458, 38448, 41620, 48060, 49944, 56187, 62430, 64080, 74916, 83240, 93645, 96120, 99888, 112374, 124860, 149832, 166480, 185209, 187290, 192240, 224748, 249720, 280935, 299664, 370418, 374580, 449496, 499440, 555627, 561870, 740836, 749160, 898992, 926045, 1111254, 1123740, 1481672, 1498320, 1666881, 1852090, 2222508, 2247480, 2778135, 2963344, 3333762, 3704180, 4445016, 4494960, 5000643, 5556270, 6667524, 7408360, 8334405, 8890032, 10001286, 11112540, 13335048, 14816720, 16668810, 20002572, 22225080, 25003215, 26670096, 33337620, 40005144, 44450160, 50006430, 66675240, 80010288, 100012860, 133350480, 200025720, 400051440]

約数ペア:

[(1, 400051440), (2, 200025720), (3, 133350480), (4, 100012860), (5, 80010288), (6, 66675240), (8, 50006430), (9, 44450160), (10, 40005144), (12, 33337620), (15, 26670096), (16, 25003215), (18, 22225080), (20, 20002572), (24, 16668810), (27, 14816720), (30, 13335048), (36, 11112540), (40, 10001286), (45, 8890032), (48, 8334405), (54, 7408360), (60, 6667524), (72, 5556270), (80, 5000643), (89, 4494960), (90, 4445016), (108, 3704180), (120, 3333762), (135, 2963344), (144, 2778135), (178, 2247480), (180, 2222508), (216, 1852090), (240, 1666881), (267, 1498320), (270, 1481672), (356, 1123740), (360, 1111254), (432, 926045), (445, 898992), (534, 749160), (540, 740836), (712, 561870), (720, 555627), (801, 499440), (890, 449496), (1068, 374580), (1080, 370418), (1335, 299664), (1424, 280935), (1602, 249720), (1780, 224748), (2081, 192240), (2136, 187290), (2160, 185209), (2403, 166480), (2670, 149832), (3204, 124860), (3560, 112374), (4005, 99888), (4162, 96120), (4272, 93645), (4806, 83240), (5340, 74916), (6243, 64080), (6408, 62430), (7120, 56187), (8010, 49944), (8324, 48060), (9612, 41620), (10405, 38448), (10680, 37458), (12015, 33296), (12486, 32040), (12816, 31215), (16020, 24972), (16648, 24030), (18729, 21360), (19224, 20810)]