144910640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{5281}}^1$

素因数の和:5315

約数の個数: 80

約数和(自身を含む): 392980800

約数和(自身を除く): 248070160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5281, 5488, 6860, 10562, 13720, 21124, 26405, 27440, 36967, 42248, 52810, 73934, 84496, 105620, 147868, 184835, 211240, 258769, 295736, 369670, 422480, 517538, 591472, 739340, 1035076, 1293845, 1478680, 1811383, 2070152, 2587690, 2957360, 3622766, 4140304, 5175380, 7245532, 9056915, 10350760, 14491064, 18113830, 20701520, 28982128, 36227660, 72455320, 144910640]

約数ペア:

[(1, 144910640), (2, 72455320), (4, 36227660), (5, 28982128), (7, 20701520), (8, 18113830), (10, 14491064), (14, 10350760), (16, 9056915), (20, 7245532), (28, 5175380), (35, 4140304), (40, 3622766), (49, 2957360), (56, 2587690), (70, 2070152), (80, 1811383), (98, 1478680), (112, 1293845), (140, 1035076), (196, 739340), (245, 591472), (280, 517538), (343, 422480), (392, 369670), (490, 295736), (560, 258769), (686, 211240), (784, 184835), (980, 147868), (1372, 105620), (1715, 84496), (1960, 73934), (2744, 52810), (3430, 42248), (3920, 36967), (5281, 27440), (5488, 26405), (6860, 21124), (10562, 13720)]