15825040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 46818432

約数和(自身を除く): 30993392

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 367, 385, 392, 440, 490, 539, 560, 616, 734, 770, 784, 880, 980, 1078, 1232, 1468, 1540, 1835, 1960, 2156, 2569, 2695, 2936, 3080, 3670, 3920, 4037, 4312, 5138, 5390, 5872, 6160, 7340, 8074, 8624, 10276, 10780, 12845, 14680, 16148, 17983, 20185, 20552, 21560, 25690, 28259, 29360, 32296, 35966, 40370, 41104, 43120, 51380, 56518, 64592, 71932, 80740, 89915, 102760, 113036, 141295, 143864, 161480, 179830, 197813, 205520, 226072, 282590, 287728, 322960, 359660, 395626, 452144, 565180, 719320, 791252, 989065, 1130360, 1438640, 1582504, 1978130, 2260720, 3165008, 3956260, 7912520, 15825040]

約数ペア:

[(1, 15825040), (2, 7912520), (4, 3956260), (5, 3165008), (7, 2260720), (8, 1978130), (10, 1582504), (11, 1438640), (14, 1130360), (16, 989065), (20, 791252), (22, 719320), (28, 565180), (35, 452144), (40, 395626), (44, 359660), (49, 322960), (55, 287728), (56, 282590), (70, 226072), (77, 205520), (80, 197813), (88, 179830), (98, 161480), (110, 143864), (112, 141295), (140, 113036), (154, 102760), (176, 89915), (196, 80740), (220, 71932), (245, 64592), (280, 56518), (308, 51380), (367, 43120), (385, 41104), (392, 40370), (440, 35966), (490, 32296), (539, 29360), (560, 28259), (616, 25690), (734, 21560), (770, 20552), (784, 20185), (880, 17983), (980, 16148), (1078, 14680), (1232, 12845), (1468, 10780), (1540, 10276), (1835, 8624), (1960, 8074), (2156, 7340), (2569, 6160), (2695, 5872), (2936, 5390), (3080, 5138), (3670, 4312), (3920, 4037)]