138456960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1$

素因数の和:2008

約数の個数: 128

約数和(自身を含む): 453492000

約数和(自身を除く): 315035040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1920, 1949, 2220, 2368, 2960, 3552, 3898, 4440, 4736, 5847, 5920, 7104, 7796, 8880, 9745, 11694, 11840, 14208, 15592, 17760, 19490, 23388, 23680, 29235, 31184, 35520, 38980, 46776, 58470, 62368, 71040, 72113, 77960, 93552, 116940, 124736, 144226, 155920, 187104, 216339, 233880, 249472, 288452, 311840, 360565, 374208, 432678, 467760, 576904, 623680, 721130, 748416, 865356, 935520, 1081695, 1153808, 1247360, 1442260, 1730712, 1871040, 2163390, 2307616, 2884520, 3461424, 3742080, 4326780, 4615232, 5769040, 6922848, 8653560, 9230464, 11538080, 13845696, 17307120, 23076160, 27691392, 34614240, 46152320, 69228480, 138456960]

約数ペア:

[(1, 138456960), (2, 69228480), (3, 46152320), (4, 34614240), (5, 27691392), (6, 23076160), (8, 17307120), (10, 13845696), (12, 11538080), (15, 9230464), (16, 8653560), (20, 6922848), (24, 5769040), (30, 4615232), (32, 4326780), (37, 3742080), (40, 3461424), (48, 2884520), (60, 2307616), (64, 2163390), (74, 1871040), (80, 1730712), (96, 1442260), (111, 1247360), (120, 1153808), (128, 1081695), (148, 935520), (160, 865356), (185, 748416), (192, 721130), (222, 623680), (240, 576904), (296, 467760), (320, 432678), (370, 374208), (384, 360565), (444, 311840), (480, 288452), (555, 249472), (592, 233880), (640, 216339), (740, 187104), (888, 155920), (960, 144226), (1110, 124736), (1184, 116940), (1480, 93552), (1776, 77960), (1920, 72113), (1949, 71040), (2220, 62368), (2368, 58470), (2960, 46776), (3552, 38980), (3898, 35520), (4440, 31184), (4736, 29235), (5847, 23680), (5920, 23388), (7104, 19490), (7796, 17760), (8880, 15592), (9745, 14208), (11694, 11840)]