15551970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:839

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 27578910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 103, 105, 206, 210, 309, 515, 618, 719, 721, 1030, 1438, 1442, 1545, 2157, 2163, 3090, 3595, 3605, 4314, 4326, 5033, 7190, 7210, 10066, 10785, 10815, 15099, 21570, 21630, 25165, 30198, 50330, 74057, 75495, 148114, 150990, 222171, 370285, 444342, 518399, 740570, 1036798, 1110855, 1555197, 2221710, 2591995, 3110394, 5183990, 7775985, 15551970]

約数ペア:

[(1, 15551970), (2, 7775985), (3, 5183990), (5, 3110394), (6, 2591995), (7, 2221710), (10, 1555197), (14, 1110855), (15, 1036798), (21, 740570), (30, 518399), (35, 444342), (42, 370285), (70, 222171), (103, 150990), (105, 148114), (206, 75495), (210, 74057), (309, 50330), (515, 30198), (618, 25165), (719, 21630), (721, 21570), (1030, 15099), (1438, 10815), (1442, 10785), (1545, 10066), (2157, 7210), (2163, 7190), (3090, 5033), (3595, 4326), (3605, 4314)]