320048960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 224

約数和(自身を含む): 983162880

約数和(自身を除く): 663113920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 320, 341, 352, 385, 419, 434, 440, 448, 496, 560, 616, 620, 682, 704, 770, 838, 868, 880, 992, 1085, 1120, 1232, 1240, 1364, 1540, 1676, 1705, 1736, 1760, 1984, 2095, 2170, 2240, 2387, 2464, 2480, 2728, 2933, 3080, 3352, 3410, 3472, 3520, 4190, 4340, 4609, 4774, 4928, 4960, 5456, 5866, 6160, 6704, 6820, 6944, 8380, 8680, 9218, 9548, 9920, 10912, 11732, 11935, 12320, 12989, 13408, 13640, 13888, 14665, 16760, 17360, 18436, 19096, 21824, 23045, 23464, 23870, 24640, 25978, 26816, 27280, 29330, 32263, 33520, 34720, 36872, 38192, 46090, 46928, 47740, 51956, 54560, 58660, 64526, 64945, 67040, 69440, 73744, 76384, 90923, 92180, 93856, 95480, 103912, 109120, 117320, 129052, 129890, 134080, 142879, 147488, 152768, 161315, 181846, 184360, 187712, 190960, 207824, 234640, 258104, 259780, 285758, 294976, 322630, 363692, 368720, 381920, 415648, 454615, 469280, 516208, 519560, 571516, 645260, 714395, 727384, 737440, 763840, 831296, 909230, 938560, 1000153, 1032416, 1039120, 1143032, 1290520, 1428790, 1454768, 1474880, 1818460, 2000306, 2064832, 2078240, 2286064, 2581040, 2857580, 2909536, 3636920, 4000612, 4156480, 4572128, 5000765, 5162080, 5715160, 5819072, 7273840, 8001224, 9144256, 10001530, 10324160, 11430320, 14547680, 16002448, 20003060, 22860640, 29095360, 32004896, 40006120, 45721280, 64009792, 80012240, 160024480, 320048960]

約数ペア:

[(1, 320048960), (2, 160024480), (4, 80012240), (5, 64009792), (7, 45721280), (8, 40006120), (10, 32004896), (11, 29095360), (14, 22860640), (16, 20003060), (20, 16002448), (22, 14547680), (28, 11430320), (31, 10324160), (32, 10001530), (35, 9144256), (40, 8001224), (44, 7273840), (55, 5819072), (56, 5715160), (62, 5162080), (64, 5000765), (70, 4572128), (77, 4156480), (80, 4000612), (88, 3636920), (110, 2909536), (112, 2857580), (124, 2581040), (140, 2286064), (154, 2078240), (155, 2064832), (160, 2000306), (176, 1818460), (217, 1474880), (220, 1454768), (224, 1428790), (248, 1290520), (280, 1143032), (308, 1039120), (310, 1032416), (320, 1000153), (341, 938560), (352, 909230), (385, 831296), (419, 763840), (434, 737440), (440, 727384), (448, 714395), (496, 645260), (560, 571516), (616, 519560), (620, 516208), (682, 469280), (704, 454615), (770, 415648), (838, 381920), (868, 368720), (880, 363692), (992, 322630), (1085, 294976), (1120, 285758), (1232, 259780), (1240, 258104), (1364, 234640), (1540, 207824), (1676, 190960), (1705, 187712), (1736, 184360), (1760, 181846), (1984, 161315), (2095, 152768), (2170, 147488), (2240, 142879), (2387, 134080), (2464, 129890), (2480, 129052), (2728, 117320), (2933, 109120), (3080, 103912), (3352, 95480), (3410, 93856), (3472, 92180), (3520, 90923), (4190, 76384), (4340, 73744), (4609, 69440), (4774, 67040), (4928, 64945), (4960, 64526), (5456, 58660), (5866, 54560), (6160, 51956), (6704, 47740), (6820, 46928), (6944, 46090), (8380, 38192), (8680, 36872), (9218, 34720), (9548, 33520), (9920, 32263), (10912, 29330), (11732, 27280), (11935, 26816), (12320, 25978), (12989, 24640), (13408, 23870), (13640, 23464), (13888, 23045), (14665, 21824), (16760, 19096), (17360, 18436)]