1390251520

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{11083}}^1$

素因数の和:11120

約数の個数: 120

約数和(自身を含む): 3877914744

約数和(自身を除く): 2487663224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 6272, 7840, 8960, 11083, 12544, 15680, 17920, 22166, 25088, 31360, 44332, 55415, 62720, 77581, 88664, 110830, 125440, 155162, 177328, 221660, 310324, 354656, 387905, 443320, 543067, 620648, 709312, 775810, 886640, 1086134, 1241296, 1418624, 1551620, 1773280, 2172268, 2482592, 2715335, 2837248, 3103240, 3546560, 4344536, 4965184, 5430670, 5674496, 6206480, 7093120, 8689072, 9930368, 10861340, 12412960, 14186240, 17378144, 19860736, 21722680, 24825920, 28372480, 34756288, 39721472, 43445360, 49651840, 69512576, 86890720, 99303680, 139025152, 173781440, 198607360, 278050304, 347562880, 695125760, 1390251520]

約数ペア:

[(1, 1390251520), (2, 695125760), (4, 347562880), (5, 278050304), (7, 198607360), (8, 173781440), (10, 139025152), (14, 99303680), (16, 86890720), (20, 69512576), (28, 49651840), (32, 43445360), (35, 39721472), (40, 34756288), (49, 28372480), (56, 24825920), (64, 21722680), (70, 19860736), (80, 17378144), (98, 14186240), (112, 12412960), (128, 10861340), (140, 9930368), (160, 8689072), (196, 7093120), (224, 6206480), (245, 5674496), (256, 5430670), (280, 4965184), (320, 4344536), (392, 3546560), (448, 3103240), (490, 2837248), (512, 2715335), (560, 2482592), (640, 2172268), (784, 1773280), (896, 1551620), (980, 1418624), (1120, 1241296), (1280, 1086134), (1568, 886640), (1792, 775810), (1960, 709312), (2240, 620648), (2560, 543067), (3136, 443320), (3584, 387905), (3920, 354656), (4480, 310324), (6272, 221660), (7840, 177328), (8960, 155162), (11083, 125440), (12544, 110830), (15680, 88664), (17920, 77581), (22166, 62720), (25088, 55415), (31360, 44332)]