1861440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1$

素因数の和:304

約数の個数: 112

約数和(自身を含む): 6778752

約数和(自身を除く): 4917312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 277, 280, 320, 336, 420, 448, 480, 554, 560, 672, 831, 840, 960, 1108, 1120, 1344, 1385, 1662, 1680, 1939, 2216, 2240, 2770, 3324, 3360, 3878, 4155, 4432, 5540, 5817, 6648, 6720, 7756, 8310, 8864, 9695, 11080, 11634, 13296, 15512, 16620, 17728, 19390, 22160, 23268, 26592, 29085, 31024, 33240, 38780, 44320, 46536, 53184, 58170, 62048, 66480, 77560, 88640, 93072, 116340, 124096, 132960, 155120, 186144, 232680, 265920, 310240, 372288, 465360, 620480, 930720, 1861440]

約数ペア:

[(1, 1861440), (2, 930720), (3, 620480), (4, 465360), (5, 372288), (6, 310240), (7, 265920), (8, 232680), (10, 186144), (12, 155120), (14, 132960), (15, 124096), (16, 116340), (20, 93072), (21, 88640), (24, 77560), (28, 66480), (30, 62048), (32, 58170), (35, 53184), (40, 46536), (42, 44320), (48, 38780), (56, 33240), (60, 31024), (64, 29085), (70, 26592), (80, 23268), (84, 22160), (96, 19390), (105, 17728), (112, 16620), (120, 15512), (140, 13296), (160, 11634), (168, 11080), (192, 9695), (210, 8864), (224, 8310), (240, 7756), (277, 6720), (280, 6648), (320, 5817), (336, 5540), (420, 4432), (448, 4155), (480, 3878), (554, 3360), (560, 3324), (672, 2770), (831, 2240), (840, 2216), (960, 1939), (1108, 1680), (1120, 1662), (1344, 1385)]